Model Boat Mayhem

The Shipyard ( Dry Dock ): Builds & Questions => Working Vessels => Topic started by: Tug-Kenny RIP on April 19, 2015, 12:28:24 pm

Title: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 12:28:24 pm
Here we go again.  This time we are attempting to scratch build the Survey and rescue ship called the  Seabex One. A kit used to be manufactured but is no longer in production.

With the help of various members (who I thank very much) I have acquired some of the drawings (not to scale ! ) and taken some pictures from the internet of various models, taken from all the angles.  The model will be 5 foot long.


I started with converting the drawings to actual size and after 30 pages of size A4 print offs stuck together, I had an idea of it's size and the positioning of the various modules and parts.



The scale of the model is 1:72 which is almost  00 gauge scale model railways. This might prove handy for those un-makeable parts.  :}

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 12:34:20 pm

We started by designing the frames from the scant information we had. This involved cutting a lot of blanks and measuring and lining up by eye until it looked right.



Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 12:38:43 pm

The bow section was quite flat along with the floor of the boat so the spirit level came into use quite often.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 12:45:09 pm
The curvature of the hull was then attempted.  Unfortunately there were no great details to go by but there weren't too many angle to calculate.


Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 12:47:56 pm

This was all glued into place and clamped for the night.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 12:50:50 pm
The centre section, know as the Moon Pool was then cut out and glued into place. 

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 12:54:42 pm

It was now time for planking ............................

To this end I've made a bench circular saw and the plan is to cut new lengths of 4mm thick timber into 5 foot lengths at a width of 2mm.

A bit ambitious as you will see later.                       :o

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 01:44:52 pm

The planks were cut and laid on the frames using wood glue and tiny pins to hold them in place. 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 01:46:47 pm

An overall view which I'm quite pleased with.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 01:48:20 pm

A view showing the Moon Pool and inside the bow.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 01:53:15 pm

I purchased some 00 gauge figures and placed them on the deck.  Shows what a massive ship this is going to be.   %)

Title: Re: SEABEX ONE scratch build
Post by: Mark T on April 19, 2015, 01:55:38 pm
Nice - I'll be watching this one  :-))
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 01:57:44 pm
We had some sheets of various size plastcard ready so onwards to the cabins and decks.

First to be made were the twin funnels.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 01:58:56 pm

Thank you Mark.  I'm doing the last couple of months posts all in one go, to bring everyone up to date.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 02:02:03 pm
The next item to be attempted was the flight deck.  This is the landing pad for the helicopter and was cut out of 2mm plastic.  This proved a bit wobbly so a second sheet was cut and placed underneath.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 02:07:33 pm

I forgot to mention the cabin itself. 

As you can see there are loads of square windows  (portholes).  For this I made a jig with a punch and square hole which I fitted into the pillar drill and used it as a punch on the plastic card.  I didn't plug the drill into the wall.   {-)     I just used it for the stationary force required.

Here are parts laid out for impression,



Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 02:15:52 pm

It was at this stage I realised I need some more planking to modify some of the thinned out section during sanding.

I set up the saw and merrily got on with cutting some more. As there have so many pieces cut,  the confidence was running toooo  high and a piece of timber caught the blade and dragged sideways taking my thumb with it.




Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 02:20:56 pm

Work was shut down for three weeks. 

It was time to re-start so I bought a model kit of the helicopter I would be using and quietly started work again. A very nice model which was similar to the one used on this boat.  Great fun making it as it came out rather well.

Title: Re: SEABEX ONE scratch build
Post by: Stavros on April 19, 2015, 02:23:34 pm
looking good Ken Hopefully you will have finished it by Wikki
 

Dave
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 02:27:55 pm
Back on the boat I've made an access hole in the fore deck and covered it in plastic for a better finish.  I used super glue in hundreds of tiny blobs onto the plywood deck and clamped it all down overnight.  I must say it works a treat and it looks much smoother than plywood. I then skirted an access hole to take the easily removable cabin and make it leak proof.



Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 02:34:33 pm


Thank you Dave. I'll see what I can do but don't hold your breath.   {-)  {-)

We're not a quarter of the way there yet.  I have two of the Shottle drive units but I need two more before I drill any holes in the hull.  It's the electronics I'm looking forward to. Then there is the crane  (my favourite item) to build.  This boat is my swansong and I shall throw everything into it.

Well that's brought you all up to date.  The rate of progress is slower from now on, but I will keep you posted.

Cheers

ken

Title: Re: SEABEX ONE scratch build
Post by: Brian60 on April 19, 2015, 04:30:00 pm
Looking good Ken. Now I see what the azipods were for :-)) This build is similar to what I was doing 20 years back with the pods. The boat I was attempting was at the time the Stena Seaspread-interestingly it got seconded to serve time in the Falklands campaign. I gave up on her, hence the azipods, 2 years of spending all my spare time  and getting visibly no further drained my will to carry on.

Anyway, as to sticking down your plastic to ply deck. Best adhesive is Evo Stik contact adhesive. Coat the ply coat the plastic wait five minutes and stick together-permanently! Just make sure any lining up is done before the surfaces touch because their is no removing it.

So I'll sit back and wait further updates.
Title: Re: SEABEX ONE scratch build
Post by: TheLongBuild on April 19, 2015, 09:18:08 pm
Think you need a couple more sockets in your workshop  %% %%
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 19, 2015, 10:06:52 pm

Cheers Brian.  Thank you again for the Schottles.  Only 2 more to get now.

I think you may be right Mr Longbuild.  I've seen the German engineers version involving a computer.   %)    I could do with sixteen channels by the look of it.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: cos918 on April 19, 2015, 10:46:29 pm
Hi Ken
looking good. Had a look on Ebay . DE and found this one at a not to bad price .
john
http://www.ebay.co.uk/itm/161670578776?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
Title: Re: SEABEX ONE scratch build
Post by: Capt Podge on April 19, 2015, 11:46:00 pm
Just tagging along - looking and learning - can't be easy without accurate plans. Hope that thumb  :-))  repairs ok.
 
Regards,
 
Ray.
 
Title: Re: SEABEX ONE scratch build
Post by: Netleyned on April 20, 2015, 07:57:36 am
Best adhesive is Evo Stik contact adhesive. Coat the ply coat the plastic wait five minutes and stick together-permanently! Just make sure any lining up is done before the surfaces touch because their is no removing it
Evostik also do Timebond.
Same as evostik but it gives a tad of adjustment to get the surfaces aligned.


Ned
Title: Re: SEABEX ONE scratch build
Post by: Netleyned on April 20, 2015, 08:04:16 am
Don't know what happened to my last post, but unable to modify.

It was printing at size 2, so I altered it for you.
ken


Just saying that Evostik do Timebond which allows a modicum of adjustment when putting the surfaces together.
Not quite the instant grab of standard evostik
Wilkos sell it so it is easily obtainable.


Ned
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 20, 2015, 09:40:40 am
Thanks for the info Ned.  Still learning.    :-))

Thanks for the 'heads up'  John about the Ebay offer.  it's been sold now but keep them coming please. These things cost 80 Quid each.

Thanks Ray,  not allowed to put horror pictures on a family forum.    {-)
It's actually looking great and working like it should.

I did some more gentle work on the boat yesterday and cut and aligned the first floor of the bridge deck.  It actually runs around the square funnels as a walkway. I was concerned that it might be difficult but came out rather well.  The whole front cabin and flight deck have to lift off for maintenance, up over the funnels. Anxious to get up early today and get started, so that's a good sign.    :}

Cheers

ken

Title: Re: SEABEX ONE scratch build
Post by: derekwarner on April 20, 2015, 10:34:33 am
Folks...as Ned said.........."Don't know what happened to my last post, but unable to modify"
 
Ned also thanked me  :-)) for reposting the correction here on this thread without any criticism what so ever

However it is clear that moderation has seen this offensive & deleted both postings

So Ned, did you find my comment offensive, or critical of the WEB site, or the capability of the moderators?

I feel personally disappointed at the moderation actions here..............Derek
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 20, 2015, 10:45:00 am

Oh Derek.  Twas I,  tidying up the thread as I had corrected the faulty looking print out before I came across your kind comments pointing out the errors.  By then it was too late to replace your kind entry. Thank you for your enthusiasm and hope you are enjoying my build thread.   :}

Cheers,

ken


Title: Re: SEABEX ONE scratch build
Post by: Netleyned on April 20, 2015, 11:19:09 am
There we go, over 200 years between us and h a p p y once again  :-)) :-)) :-)) %) %) %)
Thats the three of us old geezers  {-) {-)
Ned
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 20, 2015, 07:50:52 pm

Great bunch in our little club.  :-))

I did some further work today as I'm getting into the swing of things.  I've finished my organ lesson so it's back out in to the shed.

Further work on the top deck involved punching out the window holes.  Thank goodness they're are square.  The first attempt was on a thin piece of plastic and, as you can see, the edges fractured, so I had to make a wider piece and cut it to size when the heavy work was done.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 20, 2015, 07:53:30 pm

This picture shows the front of the wheelhouse


The rear of the cabin has windows that slope outwards and downwards.  Difficult compound angles but we got there in the end.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 20, 2015, 07:56:31 pm

Here's view of the upper cabin floor.  It's designed to go all around the funnels which seem to have windows in the front section ?   There are smoke stacks show at the back end of the funnel tops, but I'll look into this reasoning.


Title: Re: SEABEX ONE scratch build
Post by: cos918 on April 20, 2015, 08:45:44 pm
Hi Ken
your build is looking very good. I too have the kit and will get round to building it one day. The real ship has changed it names many times and been rebuild a few times .
john
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 20, 2015, 08:57:27 pm


Hey, that's really great John.  Thanks for the comments.

Thank you showing us the pictures.  Could you email me direct on my NTL site and transmit  those pictures full size please.  That way,  they can viewed in greater detail.  As you might imagine,  it's all in the details   {-)    I have been collecting pictures and not seen these before.

I'm going to bite the bullet and purchase two more Schottle drives from Cornwall boats.  I've already got two from a member on here, to whom I'm indebted .   :-))

Cheers

ken


Title: Re: SEABEX ONE scratch build
Post by: cos918 on April 20, 2015, 09:30:36 pm
No Problem Ken
PM your email add


john
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 20, 2015, 09:36:06 pm

Great ..    just click on my forum name and the email should be shown.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 21, 2015, 09:20:42 pm

Today I made some side windows for the rear wheelhouse and glued it all into place.

You have to admit this is unusual for a model ship.  It's not easy working in 3D with plastic as there is a lot of waiting around whilst waiting for glue to dry.   %)




Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 24, 2015, 04:04:32 pm

Today I started on the rear gallows for the water cannons.

To this end, I have made the towers from 2mm plastic card and placed them in position temporarily. It looks at this stage like a more serious prop is going to be required as they hang out over the stern and could be bumped in use.


Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 24, 2015, 04:07:16 pm

I then noticed that the wheelhouse front windows are supposed to be sloping outwards.

This necessitated breaking the join with the roof and tilting the frame outwards.  This then led to new roof being fitted to cover the extra length.   %)   It never rains but it pours  mmmh!!

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 24, 2015, 04:15:15 pm

The postman then arrived ......................

With him was a large box containing a SEABEX ONE hull./

My thanks go out to  BATFISH,  (Adam on this Forum) for his donation of this hull.    :-))     :-))     :-))

Here are some pictures of it when placed against my poor efforts.  They look good together, and I wasn't far out with my scratch build measurements.  Only 2.5 inches out on the length and the rest almost un-noticeable.   Thank you Adam, much appreciated.   :-))

ken

 
Title: Re: SEABEX ONE scratch build
Post by: 16-21 on April 24, 2015, 04:36:46 pm
Ken,

I'm glad the hull arrived in one piece, and I hope you can utilize the hull.
Enjoying your build so far and Ken your very welcome.

If your going the schottel drive setup
I would think the Action 755 motors 5000 rpm would do the job?
Graupner recommended there 900 torque's.
If you really need the extra rpm action now list a 12,000 rpm 775
And Alexander engel are listing robbe 755/40 at 25 euros, there near 6000 rpm but amp hungry.

Regards
Adam

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 24, 2015, 04:52:09 pm

Cheers Adam, thanks for your input.

Yes,  900's are the way to go.  I have them already and plan to use just 2 for the 4 Schottles with a chain drive between each 2 of them.

Regarding my enquiry for water cannons, I thought now I might make them myself, after all, it's only a bit of tube.  What can possibly go wrong.  %)

ken

 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 28, 2015, 07:23:52 pm

When I compared the two hulls, I noticed mine was not round enough at the Bow.

I decided to upgrade it and THIS IS WHAT I WENT THROUGH.  3 days of grief and worry.

First of all I cut the old pointed bow flare away and then used a load of filler to fasten out the prow.

 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 28, 2015, 07:26:29 pm

After sanding it all smooth, it didn't look too bad.

However ... there was no way of making the deck sides satisfactory on top with good support.

 

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 28, 2015, 07:28:52 pm

After a lot of thought I decided it would be best to cut it all back and start again.

I made extra floors in the bow section to support a new side.  To these I glued and clamped the new side pieces.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 28, 2015, 07:30:29 pm


It's all clamped down for night, for tomorrow we have some bending to do.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 28, 2015, 07:31:50 pm
Going back to the plastic side of things.  I have made the rear gantry for the water cannons.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on April 30, 2015, 08:38:18 pm

A lot of bending and filling later and we have a rounder Bow.   %)

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 04, 2015, 09:17:03 am
I have cut out some square holes for the anchors and made the plastic inserts. The bow seems to have a slight defect so this has been re-filled to line it up.



Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 04, 2015, 09:20:23 am

A ridge was constructed to go around the stern.

Time to think about the 100 stanchions.   O0  these are supposed to be 15 mm high and contain 3 holes  !!  I certainly cannot afford to buy them so back to the design board.   %)

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 04, 2015, 07:53:19 pm
Today I built the stand for the boat.  It's a bit plain at the moment so I might shape it a bit more.

Title: Re: SEABEX ONE scratch build
Post by: cos918 on May 04, 2015, 08:12:57 pm
Hi Ken
looking very good


john
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 04, 2015, 08:18:19 pm

Thank you John.   I don't seem to have any shelf space to store it.       %)

Folks,  I'm still looking for 2 more  Schottle drives.  It's looking as if I'll have to get some of the housekeepers money and go to the shop.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: 16-21 on May 04, 2015, 11:22:58 pm
Looking really Good Ken,

Unsure where you could get 2 schottels
Other than ebay, or maybe hobbydirekt Germany??
Could you not ask Brian/chipcase I'm sure he produced his own for
Svitzer Maltby.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 05, 2015, 10:38:23 am

Cheers matey. I am enjoying this build. So much to think about.   ok2

I know the shops that have them, it's just the finances I have to watch.  I just love price comparisons for the fun of it.                   %)

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 05, 2015, 10:21:46 pm

Today I has a re-work on the stand. I have lowered it by 20mm and cut a few curves into it to make it look tidy.

I've also made the support rods for the flight deck from brass tubing.

 
Title: Re: SEABEX ONE scratch build
Post by: TugCowboy on May 06, 2015, 08:07:42 am
Looks great Kenny.

Have you thought about what you are going to make the "catch net" (don't know the correct term) around the helipad from?

I was with my son at one of his friends birthday parties the other day. They were playing a game with one of the nylon shuttlecocks from a cheap badminton set. After having a look at it I thought at the time if cut apart and with a bit of fettling it might make a good helipad net if ever needed.

The scale could be way off but just thought I'd chuck it in while it was in my mind.

(http://www.decathlon.co.uk/media/819/8191613/zoom_912a4647b5d349048033b48fec49cbd3.jpg)

All the best,

Alex
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 06, 2015, 09:46:06 am

Thanks for your thoughts Alex.

Yes there has to be protruding bars to support a net.  You are right about thinking that comes next.  I would have got to it eventually.   O0

Looking at the magnified photo of the bow, I see I've done a shabby job there. Needs further smoothing, methinks.  It will eventually all be covered with epoxy and cloth so this should hide most of my mistakes.  tehe

ken
Title: Re: SEABEX ONE scratch build
Post by: warspite on May 06, 2015, 10:06:11 am
Garlic etc is sometime sold in a plastic netting that might offer the same scale or a near to it - then there is the other warship netting mentioned on other threads
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 06, 2015, 10:08:53 am

Good thinking Sir.

I'm going shopping with the Missis now.

ken

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 06, 2015, 10:31:48 am

I was talking to my lovely Wife about our future purchase and was taken to the larder .................  Look what the apples come in.

                                    8)    {-)

Title: Re: SEABEX ONE scratch build
Post by: TugCowboy on May 06, 2015, 11:27:47 am
Result! :-))
Title: Re: SEABEX ONE scratch build
Post by: warspite on May 06, 2015, 02:36:50 pm
or onions - the garlic mesh is that shown on the LCMIII, with a 1/72 scale sailor on top, this is a finer mesh but essentially the same material, the onion / apple meshes are larger squares
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 06, 2015, 07:39:04 pm

Yes I agree with that.  My mesh stretches rather too big but the idea is good, so it's off to the shops for something finer.

Today I carried on by putting in the 'net' supports. I've used thin brass rod glued into the sides all around the flight deck. it will be nice and firm by the time I get back to it.

ken


Title: Re: SEABEX ONE scratch build
Post by: Stavros on May 06, 2015, 08:07:31 pm
ERM Ken what is our HOBBY.....dont some of the traders sell fishing nets  even a Kids fishing net would do
 
 
Dave
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 06, 2015, 08:32:31 pm
And stronger as well.

Cheers Dave.  Good thinking.

While I'm here I want to put an idea to the forum.    I have 4 brand new motors type 500's from Tamiya BUT they run on 7.2 volts.  They are 35 turn each so go rather fast.

Question ..... can two be wired in series and driven from 12 volts  (with suitable fuses)  from one speed controller of 20 amps.  ????

ken

Title: Re: SEABEX ONE scratch build
Post by: tattooed on May 07, 2015, 01:10:46 pm
hi ken
great build :-)) i've got some 2mm netting if it's any good to you , have you finished the fire engine yet?




Andy
Title: Re: SEABEX ONE scratch build
Post by: TomHugill on May 07, 2015, 04:09:08 pm
And stronger as well.

Cheers Dave.  Good thinking.

While I'm here I want to put an idea to the forum.    I have 4 brand new motors type 500's from Tamiya BUT they run on 7.2 volts.  They are 35 turn each so go rather fast.

Question ..... can two be wired in series and driven from 12 volts  (with suitable fuses)  from one speed controller of 20 amps.  ????

ken


Ken, your 35t motors should be lower rpm and that've greater torque than the standard ones. Running off a 12v supply shouldn't be an issue, they will be faster than with a 7.2v pack though.
Title: Re: SEABEX ONE scratch build
Post by: dougal99 on May 07, 2015, 05:33:24 pm
In series they will be running on 6v each.
Title: Re: SEABEX ONE scratch build
Post by: GAZOU on May 07, 2015, 08:15:43 pm
Use of the plastic mosquito net for nets around the hélideck
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 07, 2015, 10:18:14 pm
Thanks for the offer Andy.   I now have what could be suitable netting found in a net bag containing red onions. It looks just the size of net that doesn't stretch. I will keep you posted when I fit it.
ps.  The fire engine is almost finished. I'll put up a picture in the  'other hobbies'  section

Thanks for the input Gazou.  I have been following your conversation on Scale boats in RC Groups, all about the Schottles and relevant drive systems. All good information about developments and made interesting reading.

Thanks Tom, for the information on the Tamiya motor.  As has been said they will each have 6 volts and be run in parallel.  Time will tell if they are fast enough.  It's not as if the captain want's to go water skiing.

Today was another satisfying day with the build.  I have fitted the prongs  (for want of a better word)  that will support the nets.  I have also made a new rear deck as the  'Moon pool'   'cut out'  in it, went wrong on the first piece.  We don't want any noticeable mistakes at this stage.  %)

Cheers for now,

ken





Title: Re: SEABEX ONE scratch build
Post by: derekwarner on May 07, 2015, 10:55:28 pm
Oh no....as Ken says........'my mesh stretches rather too big but the idea is good, so........today I carried on by putting in the 'net' supports'

{-)...I don't really think members here really want to see an image of Mr Churchill in orange fishnet stockings :kiss:

Derek
Title: Re: SEABEX ONE scratch build
Post by: thething84 on May 07, 2015, 11:01:52 pm
tagging along. awesome build. looking great and coming along nicely.
Title: Re: SEABEX ONE scratch build
Post by: GAZOU on May 08, 2015, 09:07:15 am
Tug-kenny

Hello

The net mosquito net is completed for the scale known SEABEX, I used it on my model of  supply " EDDA FONN ". 1/50 .
I can you  send by mail.

(http://i19.servimg.com/u/f19/15/37/42/64/14310.jpg) (http://www.servimg.com/view/15374264/3714)



Thank you for following the subject of the SEAPOD on other forums
The SEAPOD works perfectly without transformation of the radio

(http://i19.servimg.com/u/f19/15/37/42/64/p1130213.jpg) (http://www.servimg.com/view/15374264/3712)
Title: Re: SEABEX ONE scratch build
Post by: warspite on May 08, 2015, 09:50:02 am
I think onion/apple/pears etc net scales at about 1 yard square holes at 1/72 so people could pass through, the Garlic mesh might scale about 1 foot at 1/72, tights might scale at a more realistic 4" at 1/72, or warship scale net might be a better bet
Title: Re: SEABEX ONE scratch build
Post by: GAZOU on May 08, 2015, 11:18:29 am
I think that the packagings of apples pears onions and other vegetables are techniques of the previous century

Dimension an euro = dimension an pound

(http://i19.servimg.com/u/f19/15/37/42/64/p1130214.jpg) (http://www.servimg.com/view/15374264/3715)
It is necessary to work with materials of today  .


Title: Re: SEABEX ONE scratch build
Post by: vnkiwi on May 08, 2015, 11:22:29 am
But, fly screen has been around forever.
 :P
 :-))
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 08, 2015, 11:27:17 am

I agree with you  Gazou.

The whole problem has been one of stretching material.  It looks still on-going but it's certainly a challenge. I am now worried about attaching said net to  'sticking out'  bars, at an angle all around the circumference of the flight deck.

 I will take some pictures of the materials I have along with a 1:75 model person, later,  when I finish my clerical work on here.   tehe

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: GAZOU on May 08, 2015, 01:23:39 pm
(http://i19.servimg.com/u/f19/15/37/42/64/protec10.jpg) (http://www.servimg.com/view/15374264/3717)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 08, 2015, 04:18:09 pm
Brilliant, Gazou.  Thank you very much.

I have copied it to my drawings section and will use this design and way of doing things.

Here is the net just stretched and laid out on the poles.  (didn't know how to attach it, but I do now)  :-))

I have the little man looking at it from above.    {-)


Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 08, 2015, 04:23:12 pm

I then cut out the rear deck with an access hole as I will need to work in there later.

Title: Re: SEABEX ONE scratch build
Post by: Netleyned on May 08, 2015, 04:53:04 pm
Ken it'slooking good.
Tell the domestic manager that you want to go organic.
The onions come in Brown nets which look more authentic.


Ned
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 08, 2015, 04:55:44 pm

How long does the smell take to go.    {-)    {-)    {-)


ken
Title: Re: SEABEX ONE scratch build
Post by: Netleyned on May 08, 2015, 04:58:01 pm
Quicker than the white nets from the garlick  {-)


Ned
Title: Re: SEABEX ONE scratch build
Post by: GAZOU on May 08, 2015, 05:25:16 pm
Look "at holes" of the red net, the small man is going to pass in the fault O0
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 08, 2015, 07:42:25 pm

I'll keep looking as these are not good.

ken

 
Title: Re: SEABEX ONE scratch build
Post by: warspite on May 12, 2015, 10:40:08 am
see see see, told you so  :P :P :P :P
Onion net red and BIG, Garlic net SMALL, he he he he, lol, a finer mesh is available as the JML (product placement not intended) fly screen mesh, and even smaller than the garlic mesh, KUDOS to vnkiwi
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 12, 2015, 10:44:16 am

Thank you for pointers.  yes, it is proving a problem. I do need a finer net so I'll be researching this further.

Cheers

ken

Title: Re: SEABEX ONE scratch build
Post by: tattooed on May 12, 2015, 07:12:50 pm
hi ken
great build :-)) i've got some 2mm netting if it's any good to you , have you finished the fire engine yet?

is this to big for you ken?


Andy
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 12, 2015, 09:16:14 pm

It does look like  1mm  might be the maximum gap.  I am looking for a rigid material now because any net  (by virtue of it's design) will stretch.

I have jumped this part of the build and got on by starting the crane.  I did one before on the  Gry Matitha  that I've built and just loved working out the motors to bring it to life. Pictures will follow as I progress.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: david48 on May 13, 2015, 09:31:33 am
This may be of no use at all , at a railway show the other week and there was a guy selling photo etch mesh panels for  the Deltic Locos ,so envy photo etch shop would do any size . The only thing it might look a bit clinical as you would not get the natural sag of net .
David
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 13, 2015, 09:33:25 am
What a brill!  idea. I never thought of model railway stuff.  I'll look into it and see what's around.

Thanks for the heads up

ken
Title: Re: SEABEX ONE scratch build
Post by: John W E on May 13, 2015, 10:31:53 am
Hi Ken
have a look at plain white window net curtains  :-))
aye
john

Title: Re: SEABEX ONE scratch build
Post by: boman on May 13, 2015, 10:46:22 am
Screen door mesh. I have a heap here and it measures approx. 1.5mm square. And it was cheap by the meter from a hardware store.
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on May 13, 2015, 11:53:46 am
I bought some 0.5mm stainless mesh for my build. Its fine for the treadplates that I needed to make up.

At 1/72nd scale  a 4inch hole works out to 1.4mm so using flyscreen mesh would be ok for that. But if you wanted rigidity, you can get the mesh in sizes up to 2mm. Mine came from ebay, a model engineer supplier. The only problem with using it is that you epoxy to bond it to other stuff like plastruct section. I framed mine with 1.1mm plastruct, it can be seen in post 95 .......
http://www.modelboatmayhem.co.uk/forum/index.php/topic,49047.95.html (http://www.modelboatmayhem.co.uk/forum/index.php/topic,49047.75.html)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 13, 2015, 08:38:16 pm

That could be just the job Brian.  Thank you.  I shall look into it.

Maybe be able blend it with some curtains John.   :}

No pictures today as the crane has more lattice work than a Victorian boudoir. Hundreds of tiny sections keeping me very busy  !

Cheers all

ken

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 15, 2015, 10:09:51 am

This section has taken some time.   %)   The crane.   O0

After cutting masses of little pieces and struts, here is the boom section nearly ready. I've used 2mm plastic card for a more rigid support.


 
Title: Re: SEABEX ONE scratch build
Post by: TugCowboy on May 15, 2015, 12:15:51 pm
Fantastic work there Kenny.
I do love tackling a little project like that. My failing is getting the quality paint finish on all the 'inside' parts, once it's complete.

Title: Re: SEABEX ONE scratch build
Post by: Brian60 on May 15, 2015, 03:05:06 pm
And there Kenny you have hit the nail on the head. We like to build to scale but sometimes we just have to get close because of strength limitations.

Your boom which looks good as it is, would in reality have to be constructed from plasticard of 0.17mm, that is, 1/10th of a mm to be the thickness of plate steel (1/2inch) :embarrassed: I have some plasticard of this thickness and it is like tissue paper, you could read a newspaper through it, absolutely no use for an item like your boom.

For my handrails (still to be started) I bought a coil of 0.4mm brass wire, pull it tight and it will straighten out for use. Trouble is, it may be just about scale but is so fine it could be damaged by the slightest knock.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 15, 2015, 04:49:57 pm

Thanks for the comments chaps.    :-))

Today I started on the base unit for the crane.  What a lot of thinking ........ my head hurts.  I now have the boom pivoted and started on securing it to the main cab and pivot.  Lots to think about with 3 motors needed and fixing in the right place after, working out the logistics.


Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 17, 2015, 05:22:22 pm
I have re-designed the swing control cab for the crane. I needed two bearing points to stop the wobble from side to side.  Also a floor was added to stop the crane sliding down the post.  (there's more to this than it looks..........my head hurts)   {-)


 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 25, 2015, 08:33:15 pm
The crane pillar was a bit oversize so we had to fit a thinner tube. This involved rebuilding the cabin with smaller pivot holes.   %)

The rear water hose support is now awaiting some water cannons and subsequent hose pipe connecting.    %)

The deck is now ready for some floor grating.  it looks like match sticks will do the job perfectly as I've marked out where they will go.

The Schottles were fitted into tubes for the rear section, but the tops appear to be below the water lines    ??!!      How am I going to keep it from flooding.  The problem will be magnified with the bow section as they are deeper down in the hull,  I do not have them as yet but will need some on longer tubes. I have to give this some more thought.   %)

Here's some pictures so far.   



Title: Re: SEABEX ONE scratch build
Post by: cos918 on May 25, 2015, 08:41:04 pm
The crane pillar was a bit oversize so we had to fit a thinner tube. This involved rebuilding the cabin with smaller pivot holes.   %)

The rear water hose support is now awaiting some water cannons and subsequent hose pipe connecting.    %)

The deck is now ready for some floor grating.  it looks like match sticks will do the job perfectly as I've marked out where they will go.

The Schottles were fitted into tubes for the rear section, but the tops appear to be below the water lines    ??!!      How am I going to keep it from flooding.  The problem will be magnified with the bow section as they are deeper down in the hull,  I do not have them as yet but will need some on longer tubes. I have to give this some more thought.   %)

Here's some pictures so far.


Hi ken
On Graupners model the rear thruster are only just under the water ,but were they join the top gear .that is above the water line. For the front they use extension legs and these run in tubes whos top is above the water line. Good luck on finding thoes extension tubes


john
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 25, 2015, 08:50:04 pm

That was quick John.  Thank you for the advice.  The extension tubes are 49  Pounds each and two more Schottles are 79 pound each.  Fire hoses are 12 pounds each  (4 needed) along with a pump.

I am thinking of scratch building my own.  How hard can it be.    {-)  I suppose I shouldn't have told my good lady what's in store to get this project to the water. Severe restrictions on expenditure these days. I may have to sell some boats and Tamiya trucks.   :o

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: cos918 on May 25, 2015, 09:12:33 pm
HI Ken
just taken some photo. hope they are of help to you.
In the rear ther is a short tube shaped like a top hat with the top cut off. on to this sits the thruster top gear/motor bracket . at the bottom of this is a blow whos ID is bigger that the bottom O/D of the top hat ,so with gule a seal is formed. The top of the top hat tube is ABOVE the water line.
As for the front due to the way these thrusters are made I think you will have to bit the cost and buy the extension tubes .If you need any more photos or questions just ask.

john
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 25, 2015, 09:23:39 pm

Thanks John.  Excellent pictures.

I am pleased to note that I may be just on or above the water line at the rear.  I have located the tubes into a raised section of timber  (see pic) which was governed by the length of the schottle barrels so they come out at the same height as yours. I will have to get the extension tubes for the front pair, as making a longer schottle could prove a problem to far.    %)

ken
Title: Re: SEABEX ONE scratch build
Post by: cos918 on May 25, 2015, 09:33:13 pm
Hi Ken
On the rear drives the first part of down shaft from the top gear does not spin or rotate .so if that is sealed to your wood then you should be ok .The Extension arms have unique clips that lock in to the thruster . I would be a night mare to try and make your own .It a real pain paying nearly 100 pound for 2 small pathetic extension arms ,but that the way it is .


john 
Title: Re: SEABEX ONE scratch build
Post by: cos918 on May 25, 2015, 09:35:09 pm
lady luck like you . shame its only one but hay thats 50% of the way there
http://www.ebay.de/itm/Schottelantrieb-/151692096085?pt=LH_DefaultDomain_77&hash=item23518db255


john
Title: Re: SEABEX ONE scratch build
Post by: cos918 on May 25, 2015, 09:44:19 pm
A second option . Contact the seller in Germany . He may post to the Uk or you could go out and get it
http://www.ebay.co.uk/itm/121660060231?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT


john
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 25, 2015, 09:51:47 pm

All good info, even though I can't understand it.    {-)

Thanks so far.  keep em coming

ken
 
Title: Re: SEABEX ONE scratch build
Post by: cos918 on May 25, 2015, 10:02:20 pm
Hi Ken
both seller will not post out side Germany . I buy a lot from Ebay.DE and get sellers that will not post to the Uk. I quick email in German normally helps and they will post to the Uk. The thruster on it own sale will take pay pal and it is described as Used . The ship seller will do a bank transfer . looking at the model not to sure what is happing with the moon pool .


john
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 25, 2015, 10:08:44 pm

How do you activate the language translator in windows 7 please.  I used to have one with the old system.

I shall not bother with the German offers, thanks all the same.

ken
Title: Re: SEABEX ONE scratch build
Post by: cos918 on May 25, 2015, 10:11:16 pm
dont know I use Google translate .cut and paste


john
Title: Re: SEABEX ONE scratch build
Post by: barriew on May 26, 2015, 09:08:02 am
How do you activate the language translator in windows 7 please.  I used to have one with the old system.

ken


If you use the Chrome browser it should offer to translate the German for you.


Barrie
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 26, 2015, 10:21:58 am

Thanks Barrie, but I don't have or want Chrome.  According to checking, there is a language converter called Bing, supposed to be on here at the moment but I cannot figure how to wake it up.   %)

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on May 26, 2015, 12:23:42 pm
Ken you don't need chrome.

All you need to do is copy and paste your foreign language url into google search. Once you hit enter the the search list conveniently offers a translate facility alongside each address. Click that and the whole page is automatically translated for you. This works for any browser because you are doing it through google search.

I hope that is clear?
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 26, 2015, 09:18:10 pm

Excellent, Brian.     :-))

Wot a helpful bunch on here.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 29, 2015, 09:25:47 pm

The prices of stanchions being so high and me needing over 100, today I started making my own.

These were made from 2mm brass tube which was cut to size and drilled with three holes.  I made a jig to hold them which was pre-drilled with a 0.7mm drill and only snapped my only 3 drills for the first hundred.  I left this task and went over to making the radio masts to fit above the cabin.

These are made from assorted sizes of brass tubing and I've started solder welding them into place.  Not quite finished yet but here's some pictures to show how far I am.  This was great fun with a welding torch knowing my aptitude for self harm. The burn should heal pretty quick as I'm adept at healing these days.   %)



Title: Re: SEABEX ONE scratch build
Post by: Brian60 on May 30, 2015, 09:35:56 am
My wife being such a follower of all things cookery on the tv bought one of those gas blowlamps the top chefs use.

It comes in handy for soldering work %) %) Push the button and it self ignites, let go the button and it turn off! Its great for these soldering jobs where you just need a waft of heat and then touch with solder. My technique is to  get everything positioned, hold the blowlamp close in one hand, the solder in the other. Push the button couple of seconds of heat, let the button go and touch with solder, it flows into the joint by itself, all done!

For major soldering (silver soldering) the big blowlamp comes out of the toolroom though.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 30, 2015, 09:47:36 am

Yes Brian.  They are nice to use. The self ignition came in handy to save leaving it running.  Very important to sand the joints first and watch it flow.

To get it started I drilled a board and set the uprights nice and square. This also helped them to stay in position whilst heating took place.

ken
 
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on May 30, 2015, 11:20:37 am
Its better to use a piece of steel wool rather than sandpaper Ken or a scotch pad, you get a better clean to the surface. Also if things get tough where the solder just doesn't want to stick (been there!) a touch of plumbers flux applied with a toothpick or a brush with Bakers fluid always helps.

I did mention in my build recently about running out of uk sourced solder. I bought a roll of solder from the local chinese sell everything shop, it caught fire {-) No kidding apply the heat to the brass, touch with solder and whoosh flames like a sparkler, the flux core was burning. I've tried it with my soldering iron and the stuff just forms balls and won't even coat electric wire!
Title: Re: SEABEX ONE scratch build
Post by: Neil on May 30, 2015, 08:06:02 pm
have you a picture of the jig you used to drill the stanchions please ken. :-))
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 31, 2015, 11:11:08 am

The soldering went well Brian.  I used multicore decent stuff from my past career.  The secret is to warm to tube just up from the proposed join and apply the solder and watch it run in ok.  The times I had my other hand opposite the flame is no odds to nobody.  Scheesh,  it's warm.   ;)

I will take some pictures for you Neil.  The secret , as I'm sure you are aware,  is to stop the drill from bending and to apply  'gentle pressure' in a vertical direction. I was getting away without snapping for quite a time until confidence and   'rush to finish'  time took over.    %)

I have finished the  'Tower of radio aerials'  so all that remains is to sit in sunshine quietly  fettling the excess solder and lumpy bits.  It looks quite amateurish at the moment,  but assured it will come out all right.

Thanks to all for the private emails on my subject.  It's great to see such interest and have all this help.   I don't think I could have done at all alone and am grateful for all the tips.

Pictures later.

ken


Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 31, 2015, 09:44:55 pm
Here's a picture of my jig Neil.  It consists of a block of wood with a groove cut sideways, the exact fit for a 2mm brass tube.  Above it is an aluminium jig which is drilled with 3 of  size  0.7mm holes.  It's softer than steel and wears out with constant drilling through it,  so new set of holes has to be made after about 20 uses.

In operation the tube is fed in from the right to stop against a pin so that the three holes can be drilled exactly spaced apart.  The bar is then cut to length and the process repeated.  The stanchions are then twisted on the sanding belt to make a tapered end to fit into the deck with ease.


Today I completed the frame for the radio masts and drilled and fitted it to the deck for a trial run before painting.


Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on May 31, 2015, 09:51:19 pm
Some more pictures


Title: Re: SEABEX ONE scratch build
Post by: Brian60 on June 01, 2015, 01:40:39 pm
Looking good Ken.
Title: Re: SEABEX ONE scratch build
Post by: newbe7 on June 01, 2015, 01:57:09 pm
Just finished looking at the build so far Great build.
Rick
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 01, 2015, 07:53:45 pm

Thank you fella's..  :}    Isn't it always nice to get to the end. That one was a challenge and we still have the wiring for the lights to do.

According to my take on the drawings and pictures, the deck is covered with  'duck boards'.  About 60 of em  !!   %)    I have broken open my packet of 2000 match sticks and started gluing them into little squares.  Boring but quite a restful way to spend the day.    tehe

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 02, 2015, 10:30:06 am
While steadfastly gluing hundreds of match sticks together my thoughts turned to the crane winches.

I shall need two drum type winches that have to be VERY small.  I had previously made some from servos for the Gry Maritha  and,  although they work very well,  they could be smaller this time. I did examine a micro servo but the gubbins is very small  !!    I am now at the scale of  1:72  which means some of my construction looks giant when fitted to the ship.    %)

Is there any source of manufacture out there producing these units please, that you know of.  ?     :-))

ken


Title: Re: SEABEX ONE scratch build
Post by: Brian60 on June 02, 2015, 11:47:05 am
Ken it is usual practice on this type of craft  that there is a steel plate deck at the stern for when anchor handling duties pull an anchor on deck. Then the rest of the deck is sectioned off. It would be a steel subdeck and then thick wooden planking, usually 8-10 inches width 4-6 inches thick and 8-10ft in length, think of a smaller railway sleeper. Its to take the everyday wear and tear of dragging equipment about, its easier to replace a drop in board than have to repair steel decking. Check out my build it has a 140 boards!

Miniature motors don't come any smaller than these......

http://www.ebay.co.uk/itm/4-6mm-x-4-8mm-2-Wire-DC3V-2000RPM-Miniature-Electric-Vibration-Motor-5-Pcs-/121276227950?pt=LH_DefaultDomain_3&hash=item1c3ca0616e

Just prise off the bob weight and you are good to go.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 02, 2015, 09:25:23 pm

Thanks for the motor info Brian.  Two things against these are that it's 2000 rpm  and only 3 volts.  I need a 12 volt  (maybe 6 volts at a push) that rotates at 40 rpm.

Here is my matchstick factory.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 02, 2015, 09:30:20 pm
Here we are at 100 pallets of 14 match sticks each.  All sanded smooth with clean edges.  The effect looks similar to your Brian.

I have laid them out in the formation shown on my reference pictures.
The colour has yet to be decided, and then they will be spaced out along the deck.  I don't know yet whether to put a runner between the pallets or leave a gap.

 
Title: Re: SEABEX ONE scratch build
Post by: cos918 on June 02, 2015, 10:26:46 pm
Hi Ken
40 rpm motor gear box


john


http://www.ebay.co.uk/itm/1Pcs-DC-6V-40-10-RPM-High-Torque-Electric-Speed-Reduce-Gearbox-Gear-Box-Motor-/321747328219?pt=LH_DefaultDomain_3&hash=item4ae9a29cdb
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 02, 2015, 10:30:01 pm

Give that man a drink on me.  Thanks John, it looks just part.  Worth a gamble.   :-))

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 05, 2015, 11:05:55 am
Had a bit more fun with matchsticks.

What colour to make the finished product.  Wood dye is up to £20 a tin so my wife came up with such a good idea, I thought I'd share it with you.

Tea .................

We brewed some tea in a large container and made it quite strong.  The milk and sugar were left out and the brown liquid was left to cool.  This was poured into a flat bottomed dish and the 'pallets' were place in the liquid and left overnight.

Well ...  to say I'm pleased with the result is an understatement.  They came out a wonderful golden brown with only two out of a hundred falling apart.  They are now drying out nicely as per the pictures.

Cheers

ken

Title: Re: SEABEX ONE scratch build
Post by: Brian60 on June 05, 2015, 02:51:59 pm
I used tea for staining the sails on my sailing trawler, but still had to use a red dye. The tea aged the material but they weren't red enough. You can get small tins of Colron wood dye for about a fiver, only a hundred or so mls in th ecan but enough- get a dark one and thin it down even more with white spirit.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 05, 2015, 07:35:04 pm

It is a trifle light in colour but I warming to it.  I like your idea of thinning out real stain.  Maybe I'll add some of this later.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 15, 2015, 08:11:57 pm

Today I fibre glassed the Hull. 

My thanks to Stavros for his invaluable tips after my first attempt which were so bad I didn't mention it.   :embarrassed:

Pictures to follow when it's set.

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on June 16, 2015, 10:24:57 am
Going back to reply 127 by you Ken. Its a lovely piece of superstructure you have put together there, but where did you get the ladder from that is up against the mast array? That's a good length to have if I can get some, I have it in brass and plastic but they are only 50mm lengths and don't look right when joined together.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 16, 2015, 11:05:01 am
@  Brian,   it came from the model train shop.   It's a 00 gauge set and I bought a few as there's ladders all over this boat.   :}

Quite expensive  (as per all that gauge stuff !!)  if I remember, but does look the part.

Here's some snaps today out in the garden.   The surface is a delight..  the epoxy is water clear so, unfortunately, it shows the surface colours underneath,  but not to worry, as this will be painted anyway.

I also did the stand  !!  as it was wood and took very well.


Title: Re: SEABEX ONE scratch build
Post by: Brian60 on June 16, 2015, 07:28:06 pm
R U going to have a working moonpool? I went this route about 20 years ago on a model. After I had laid the hull up and it looked great, it was only then that I realised the moonpool was internal to the superstructure. So I knew it was there but nobody viewing the model would know it even existed!
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 16, 2015, 09:59:14 pm

Yes,  I'm going to have it as a feature.  Hopefully planning to kit it out.  We have platforms in there and maybe a Bathysphere to be lifted by the crane.

I might use one of the spare ladders.   ok2

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 19, 2015, 08:13:40 pm

The epoxy has dried nice so it was sanded smoother.  We then applied my favourite  'Red Oxide' primer and also sanded it across the tops to iron out smaller defects.

Here it is after a second coat, drying in the sun.  One large tin sprayed the whole boat twice.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 19, 2015, 08:17:54 pm
While this was drying we got on with the floor pallets.  The soaking in the cold tea had originally worked but was not dark enough, so we bought some mid oak wood stain.

The pallets were laid out on the 'silver sprayed' rear deck section as a test run before final cutting and fitting

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 19, 2015, 08:23:17 pm
All of the completed sections were then placed on the ship to get an overall picture.

Title: Re: SEABEX ONE scratch build
Post by: hama on June 19, 2015, 09:37:39 pm
Wow, looking nice!!
Hama
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 19, 2015, 09:42:28 pm

Thanks Hama.   

 I haven't fixed the rear deck down yet because there's a lot to go in, but I couldn't resist placing the parts in order.   :}

ken

Title: Re: SEABEX ONE scratch build
Post by: tweety777 on June 21, 2015, 07:43:51 am
That is coming along nicely Ken, good work!!!
Funny yo see that helicopter right in front of the wheelhouse, blocking the helmsman's view.
Personally, if I would have been working for the owner of the ship I'd kick the ass of the designer who thought of this but apparently the actual owner doesn't bother about it too much.

I'll keep following this, it's good inspiration for my own build.

Greetings Josse
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 21, 2015, 10:07:11 am
I've not thought about that angle.    :}    Let's hope he folds his wing rotor  blades away before we cast off.

I was looking at the  'stained'  boards and thought they looked  'rough', so I have sanded them all back to white and re stained them again.   I have to add an extra  'matchstick to one end, which will be coloured black and appear to be the spacer when they are re-laid against each other.  Only 150 to go.   %)

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on June 21, 2015, 04:02:29 pm
Don't worry about the helmsmans view. I was watching a youtube video  a week or two back and the ship never had one. They generally plot the course via computer and gps and the electronics do the rest. They just keep a watch out the windows and an eye on the radar, although that is automated as well, giving a warning siren if any sign of jeopardy.

Of course this doesn't include close up work, but then again you wouldn't have a chopper landing if you were servicing a rig or had a submersible below water, unless it was a rescue mission.

I'll see if I can find the link again.
Title: Re: SEABEX ONE scratch build
Post by: Mark T on June 21, 2015, 04:31:30 pm
Just got back from my hols so I'm catching up - the builds looking ace Ken  :-)
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on June 21, 2015, 04:38:42 pm
I can't find the video I meant, it had two crew explaining how it all worked.

However I did find this one, the only bloke on the bridge is the cameraman, who I would imagine is the watch officer, but he's the only one.

https://www.youtube.com/watch?v=9sVeuzBXGX4
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 22, 2015, 09:49:50 am

Wow,  isn't that something.    :-))

Thanks for that Brian.  Another film for my collection.

I have been having fun cutting the strips to go between then the 'duck boards'.   These are from 2.5mm plastic but only 2.5 mm wide and 40mm long.  I had to make a steel bar clamped to a board over the plastic to keep the knife in a straight line and carefully break the strip away with pliers.  These will be painted black to distinguish the joins when assembled. 

 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 26, 2015, 04:59:21 pm

Here they are,  all glued down with spacers between them.

Title: Re: SEABEX ONE scratch build
Post by: barriew on June 26, 2015, 05:46:40 pm
Looking good Kenny.


Barrie
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 26, 2015, 07:45:00 pm

Thank you Barrie.  Now to cover the rear section cover.  It really is quite time consuming.

The bevel gears arrived today so watch out for a mini blog on Schottle drive production.  Coming soon to a place near you.   %)

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: derekwarner on June 26, 2015, 10:47:50 pm
Morning Ken.....now if this vessel was down under here in OZ.......those deck planks would be fwd to aft  %)....not port to stdb  O0 .....

There must be a reason for this.....?????....however I cannot think what it is........

I suppose if the crew get bored they could play chess of any other board game {-) .... Derek
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on June 27, 2015, 11:31:34 am
I am late to the party but am very impressed with the work you have done on this model ken! And I thought warships were complex.

Ignore my PM re tea as you have got a good finish with the stain.

Looking awesome.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 28, 2015, 11:14:23 am

Thank you for the extra 'info' Ian.  All suggestions are welcomed as it can be seen,  I need help all the way.   :-))    I've finally made the rear section  floor pallets and secured then down to the removable cover over the rear Schottle drives.

As it was a lovely day yesterday, I was sent to the bottom of the garden in the sunshine with several cans of  'spray',  the  'wheelie bin' , a large disposable cloth, face mask,  and various bit's of assembled plastic.

To me,  this is the best part  of our hobby.  I had  2  red colours of different shades and tried them to see which one looked the best.  I have now decided on the darker red version and have to go out to buy some more.  It takes a whole tin to cover the hull when outside as the 'breeze' seems to blow most of it away over the field.   {-)   The cabin and flight deck were sprayed white whilst the deck was sprayed light grey and the hull a dark red.

Upon inspection today I can see tiny imperfections in the surface which need a final filling and rubbing down.  My good lady says I'm  "being over fussy and who is going to look at it for more than 4 seconds anyway".   :o

I have temporarily laid all the built pieces together to get an overall look and to encourage me to keep going as there is still a lot to be done so here's a few pictures so far.


Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 28, 2015, 11:21:02 am
Here is the main cabin with the lighter coloured red helicopter.  I'll leave this colour as it contrasts quite well against the darker hull.

Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on June 28, 2015, 07:12:59 pm
The Helicopter would probably have been painted with different paint at a different time anyway, so the different colours is essential.

To answer your wife's question Kenny, You will be eating her up with your eyes for at least an hour once completed:O)

'Sorry dear, I have still to get misty eyed over the schottels' %% :D
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 28, 2015, 07:20:29 pm

They never understand.   %)

Imperfections now filled and hull rubbed down with 400 grit.  Looks ghastly for the moment so ready for more paint tomorrow.  (how do you get P38 dust out of a jersey ? )    {-)

ken

Title: Re: SEABEX ONE scratch build
Post by: CyberBOB on June 28, 2015, 07:26:13 pm
I spent more than 4 seconds looking at each picture.  And there are quite a few pictures.


Looks good.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on June 28, 2015, 07:32:42 pm
Thank you Bob.

Glad to be of service.  I do post  Wharts 'n' All  type pictures just to confirm the trials and tribulations with regard to making our model boats.

I am glad the dirty stuff is over now the ground work is done.  I look forward to fitting out, and by cracky,  there's a lot to do yet.    :}

cheers
ken
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on June 28, 2015, 09:23:27 pm
Hm, is your jumper new or a work one? If the latter, who cares as long as you don't get it in the sitting room. If the former, shake it out in the garden and sneak it into the wash basket when it s time to put a load of jumpers etc in the machine and hope Mrs Tug----Kenny does not notice :O)

Title: Re: SEABEX ONE scratch build
Post by: Unsinkable 2 on June 30, 2015, 09:47:12 pm
Ballast..... Took the words out of my mouth  :} :}


Ken, I second the answer about the comment about who's going to look at it for more than 4seconds, I've been looking with interest although I think this is my first reply


Kens OH, I'll be looking along with oh about 5000 others....... Yes it's that good! :-))  (She knows that anyway, they all do and pretend otherwise, but get a knitting catalogue thrust under your face and you have to look all interested!) :kiss: .               U2
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 01, 2015, 10:08:32 am

   :embarrassed:   You are too kind.

Yesterday I sprayed below the water line in black satin.  Just a light coat as it was all the paint I had left.  It was so hot outside, the paint was drying before I went back into the shade for a cool drink.    {-)

More parts arrived from abroad so the little projects to be done are building up.

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 01, 2015, 07:53:56 pm

I've peeled away the tape and here she is two tone.    :}

Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 01, 2015, 08:55:14 pm
This is the part that makes it worthwhile, for months all you have is a pile of bits on your workbench, only to be replaced by another pile of bits. Until one day all of a sudden, the piles of bits have become a recognizable ship.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 01, 2015, 08:59:28 pm

They sure have Brian.   I feel encouraged to plod onwards.     :}

ken
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 01, 2015, 10:09:10 pm
Good man, were with you all of the way except when we are eating, sleeping etc etc:O)

Title: Re: SEABEX ONE scratch build
Post by: Capt Podge on July 01, 2015, 10:38:45 pm
Nice and neat Kenny - she's coming on good.  O0
 
Regards,
 
Ray.
 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 03, 2015, 05:06:11 pm

Thanks for the nice comments.   :-))

Today I have  'Tarting up'  the bits built so far.  More paint from the store and lovely weather to do it in.

Soon be time for smaller details.    %)


Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 03, 2015, 05:07:12 pm

Some more piccies .............

The Moon Well  and the  crane lifted up.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 03, 2015, 05:10:02 pm

I do have some white  lining  tape which will go on when the paint is dry.

Now working on making some transfers on the computer for the  'flight deck'

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Umi_Ryuzuki on July 03, 2015, 06:33:10 pm
Wow, It is practically done, ... 8) 8) 8)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 03, 2015, 07:37:59 pm

Thank you Umi.   Not quite there yet but inspired to keep going.  I visit RC groups often and see you there. These darn Schottles are still on my mind, but I have construction ideas spinning around.   I liked the idea of the dentist right angled drill but felt it wouldn't do for me.   ok2.

Now the major construction build is well under way,  I can get down to the smaller fixtures like the  railings etc.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 04, 2015, 12:25:34 am
That's a corker of a model Ken! I can't wait to see her on the water. Will you treat us to a Youtube videos of her maiden voyage?
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 04, 2015, 10:45:04 am

Thank you kind Sir.  We're a fair way yet from videos but have been collating snapshots.   :}

Today I thought I might have a go on the railings to stop the crew falling off the edge. ok2

ken

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 06, 2015, 07:46:43 pm

I have made over 100 stanchions so far.  They have been fitted into the sides of the deck by force fit and glue and seem to be holding OK.  When the wire is threaded through and soldered they will be stronger.  I now have to make a load more for the cabin and three walkways, so it's back to the production line.   :}

Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 06, 2015, 08:54:57 pm
I made my first stanchions this weekend Ken. Only 17mm high at 1/72nd scale, That was the easy part, the hard bit was holding them in a jig while I drilled the holes!

Then I placed a figure next to them and they didn't look right. I had made them 17mm high but they were 2mm wide, way too much. At this scale 1mm equals 3inches, so at most the stanchions should only be 1mm wide, no way was I going to make those out of strips of brass! So to be in scale I am now making the stanchions out of 1mm brass wire with the crossrails made of 0.4mm brass wire. I'll end up with round stanchions rather than flat ones but they will be scale. I'll be posting photos on my build later this week to demonstrate this.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 06, 2015, 09:30:32 pm
I have just been down to the workshop and measured my stanchions.  They are 2mm wide and 1.2mm thick and stand at 22mm up from the deck. I should imagine if they any thinner then they would be weak and subject to damage.

I did get my 00 gauge railway figure and stand him against them and the height came up to his shoulders. It doesn't look too bad so when I fix the little people in, I shall keep them back from the railings so as not to invite enquiries !!    :}

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 07, 2015, 07:03:11 am
Here's a photo of the mesh we were talking about Ken. It should be fine for what you want, the cut edge would need to be sealed, ie touched with a soldering iron to neaten it up, but you would have that problem with any mesh you use. It's only 2€ a metre so I'll get a metre and mail it to you.

For scale purposes it fits the bill exactly, the little deckhand is 1/72nd scale. Its semi rigid so the squares don't readily deform, its like handling a big sheet of perforated plasticard.
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 07, 2015, 08:21:25 am
I think I will save up and buy mine from James Lane. Kudos to you though for pulling the hard yards and making them all yourslf:O)

She is starting to look complete Ken:O)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 07, 2015, 10:02:13 am

Thanks Brian,  looks the just the part.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Ianlind on July 07, 2015, 12:54:10 pm
Hi from downunder.


Just a thought here regarding the handrail stauncions. In my Model Railway business we were using chemically milled ( Etched ) Brass and Nickel Silver components, but they can also be done in Stainless Steel. Some years ago I had a bunch of stauncions done for a 1:24 scale tug in brass, and no drilling required. Not a real cheap option, but when you weigh up the time and stress it takes to cut and drill the number required for this Seabex project, it may not be that expensive. A problem here might be that the sheet used is normally from .012" to .020" ( .5mm ), but if they need to be thicker they can be doubled and sweated together. They can be tagged in pairs on the etch and folded back on each other. A lot easier than cutting and drilling holes that rarely go where you want them to be.
I was using a mob in the UK called Chempix, but you need to find somebody who can do the artwork for them to use.
It would be so much easier if all handrails were the same, then it would reduce the number of phototools required for the etching process, but there's probably somebody in the UK or Europe already doing a range of etched parts. Just a matter of finding them! Then the holes will generally be in the wrong place for your model!
If I can find the stauncions I had done I could put up an image as an example, if I knew how to do it! I'll have a look tomorrow.


Ian.
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 07, 2015, 04:07:39 pm
Ian, I had thought of photo etching my own stanchions, we can buy the etching fluid in the UK. I even made up my own etching template in photoshop, it just needed transferring to the brass sheet and then immersing in the fluid. Which is where the plan fell apart.

Many years ago (1970's) I used to chemically etch sheets for electronic projects, it is the same process. However what I hadn't counted on was that unlike electronic boards which are single sided (usually)  the masking template would have to be applied to both sides of the brass sheet identically. Otherwise one side is masked and protected but the etch can eat away the reverse.

Looking the process up the various films that are sold for amateur use are not that good at taking printer ink, so given the odds of success I decided not to go the etching route. However now that I have made up a length using brass wire to give the right width, it just looks wrong when you know they should be flat plate and not round stanchions.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 07, 2015, 07:14:32 pm
The Stanchions that are available at this scale are 45 to 90 pence each.  I am now up to 200.  That's why I've made my own. I have completed the rear deck today and am quite pleased with the result.  Only the three deck layers of the bridge to do.  Ho Hum.

I've added the white line to the hull and wired up the rear section.  Here are a few crew having a look around.


Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 07, 2015, 08:05:02 pm
'I say sir, the Builder did a good job with the stanchions. Yes he did lad, he bored the holes with a gigantic drilling engine; it's bigger than our ship :-)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 07, 2015, 08:14:02 pm
I did have to order a better set of spectacles before I could start.   {-)

The drill diameter was 0.8 mm and I was wondering how does one sharpen them.   %)

ken
                     
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 07, 2015, 08:33:30 pm
In all honesty, I use them until they are blunt (often after several years use due to the softness of styrene ) and then get a new one.

I suppose you could buy a drilling jig that takes the smaller bits, I haven't looked.

.5mm drills usually break before they get blunt, so I buys them in tens from Squires.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 09, 2015, 08:16:38 pm

Today I painted the deck's top coat with green..

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 09, 2015, 08:18:01 pm

The support pillars have been temporarily fitted but not glued down yet.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 09, 2015, 08:19:35 pm

The top of the cabin is now ready for 100 stanchions which should keep me occupied for a while.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 09, 2015, 08:21:24 pm

I have made my own Fire hose cannons.  These are yet to be connected to hose pipes and a pump etc.

Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 10, 2015, 09:45:44 pm
Can we borrow her to shower our flying poo generators (otherwise known as bloomin Geese) Ken?

She's coming along mighty fine.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 10, 2015, 10:37:06 pm

It will be interesting to see the range of these things.   :}    Isn't there a law about squirting people at the pool side  ?

ken

Title: Re: SEABEX ONE scratch build
Post by: Capt Podge on July 11, 2015, 12:09:45 am
Isn't there a law about squirting people at the pool side  ?

ken



That depends on how big they are {-) {-) {-)
 
Seriously though - common sense should prevail O0  - if it's aimed at children, be sure to check with their adult (assuming they are with one).
 
Regards,
 
Ray.
 
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 11, 2015, 12:36:46 pm
I think you are going to need to plug the ends of the pipes Ken. Think about your car windscreen washers- go out and switch them on. Then take a look at how tiny that hole in the jets is! With the diameter of your pipes and a standard pump, the best you will accomplish is a dribble coming out of them.

Solder in a brass blanking plug then centre drill a 1/16th-0.25mm hole in each of them. Give them a test firing and only open up the holes to a larger size if needed.

Our guests arrive tomorrow for 6 days, the netting will be posted out to you once they get back to the UK, I bet you can't wait to give it a whirl around that helicopter pad.
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 11, 2015, 07:19:22 pm
Our junior member squirted me and the chairman with his tug monitors a few months back and no one minded, but I accept that common sense and appropriate targetting should be applied. But do please soak a few 'Poo birds'!
Title: Re: SEABEX ONE scratch build
Post by: Big Ada on July 11, 2015, 07:35:57 pm
This is an idea I saw on here, to make the monitor jets smaller put a short length of heat shrink tubing over the end of the brass tube and insert a small piece of wire in the other end, heat the tube and it will reduce the jet size after you remove the wire.

Len.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 12, 2015, 10:06:06 am

Thanks for the info on the pumps fellas.  I was not aware of the amount of water flow.  I will make an end piece with a small hole in it and experiment.

A problem has now arrived about connecting the flexi hoses, in that the 4 joints need a 90 degree bend each, under the floor to allow the water to feed them. I shall have to break the assembly apart to solder the knuckles underneath and connect feed pipes to go down the side supports.  All sounds very interesting and another challenge on this build.  ho hum

Looking forward to the netting Brian. Thanks for the idea.



ken


Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 12, 2015, 01:53:20 pm
Is it worth making a manifold below deck with one inlet and four outlets feeding the monitors? They are commonly used on steam plant and allow you to make a single piece controlling the point of exit and also as support for journals without having to make lots of brackets etc.

If you have access to a lathe you can make it from square bar, or from tube machining the holes to take the journals in and out.

(http://imagizer.imageshack.us/v2/640x480q90/910/q8fyRv.png) (https://imageshack.com/i/paq8fyRvp)

Have a word with the steam chaps on here or that you may know in your boating comunity.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 12, 2015, 04:54:49 pm

Perfect solution, I do like that idea.      :-))

Watch this space. 

Cheers

ken

   
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 12, 2015, 05:04:31 pm
Today I fitted the new set of stanchions to the upper decks.  These are slightly smaller than the previous ones and have the holes a bit closer together.

Material shortage caused an early finish in the workshop, so I had to send the men home.     {-)   

Further research has indicated I need to make another 80 stanchions.  (so glad I'm not buying them ready made)

Here's my attempt at a close up.   ok2   Horrible soldering ..... needs smartening up.    {-)


Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 12, 2015, 08:46:53 pm
Considering your hours of drilling holes, your soldering is forgiven:O)
Title: Re: SEABEX ONE scratch build
Post by: Capt Podge on July 12, 2015, 09:48:07 pm
.....just a thought Kenny - maybe you could get a manifold, 90deg bends, tubing and other such bits and pieces for your water monitors from an Aquarium outlet - I used to have all those things when I was into breeding Tropical Fish - and the plastic is hard wearing.
 
Just wish I'd hung on to all that stuff {:-{ .
 
Regards,
 
Ray.
 
 
 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 12, 2015, 09:56:07 pm

Thanks for the thoughts.  I'm going to need extra bits.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: derekwarner on July 13, 2015, 02:49:57 am
Ken.....those aquarium 4 gang manifolds with individual taper plug valves on each of the discharge lines are cheap as chips. :o.......

From memory about $6.50 AUD including air parcel post deliver from China

They are advertised as stainless steel <*<  [God bless their cotton socks] but are actually brass material which is flash copper coated & then flash nickel plated....or perfect for marine ...or water usage.......

Here is my application of a different concept  %) being two water pump suctions, one bypass loop & one drain & all tubed up with 1/8"  & 5/32 " brass tube for my steam build....

I have carefully grit blasted my manifold to remove the nickel plating for a more life like surface for steam components ......Derek
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 13, 2015, 09:45:21 am

Hey, that's some piece of kit, Derek.   :-))   I will try my welding skills and produce one like that.  Maybe a bit simpler as I don't need taps on it.  I am now spurred on with these ideas.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 14, 2015, 09:19:54 pm
I've had a go at constructing my own hose water system with inspiration from the above products.  To this end, I cut some brass tube and drilled some holes for the water jets.   These were soldered into place and a flexible pipe was connected.  This protruded over the side, so I made another with the input pipe going to the side of the tube.

The section was re-sprayed and tested with the 12 volt pump out in the garden.  Umi was right about the diameter of the output hole, so end caps have been made with a 1.2mm hole in the ends, which produced a fine quadruple squirt across the lawn.   :}

No pictures yet as I had my hands full, balancing the pipe to the water butt, so here's some pictures of the assembly.

 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 17, 2015, 08:00:28 pm

Today I masked off the decks and started painting the stanchions white.  Still a long way to go as there are now over 300.    %)

ken
Title: Re: SEABEX ONE scratch build
Post by: Martin (Admin) on July 18, 2015, 09:26:15 pm
 
Topic Split:   Annealing Metals

http://www.modelboatmayhem.co.uk/forum/index.php/topic,51778.msg530141.html#msg530141
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 19, 2015, 07:41:19 pm

Well that's the stanchions covered in paint.  What a job in 1:72.  I had to mask off the deck and be very careful.  The job took 3 days but I'm quite pleased with the result.

I've taken a few pictures and must admit it looks better on film than in real life.   {-)



Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 21, 2015, 10:49:14 am

The netting has arrived from Spain.  Thank you Brian,  it's just the right material.  The holes are very close together and it's certainly sturdy plastic material.     :-))

I shall measure and offer it up to the flight deck.  Mind you,  I now have enough for a fleet of carriers.     {-)

What a helpful site member.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 21, 2015, 04:47:54 pm
No problem Ken. My build has come to a grinding halt due to visitors last week and the laborious task of making the stanchions after my ridiculous quote for postage from Germany for etched ones.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 21, 2015, 08:31:47 pm

Whilst fiddling about with the cloth, I noticed the Fore deck has  'more'  stanchions.     %%  These are located around the lifeboats on both sides

I shall have to get the equipment out again  (heavy hammer)  and make another 12 when I've made the lifeboat gantry to swing out and lower the little boats.  You are correct about the prices.  Imagine how much I would have paid for mine.

Cheers

ken


Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 22, 2015, 07:11:21 am
I wanted 140 stanchions Ken the price was 14€ :D with some other parts my order was 21€, but the German company wanted to an extra 29€ for postage charges to Spain %% they were not couriered but coming through normal surface mail  >:-o
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 22, 2015, 09:16:02 am
That comes into the zone of either Greed, or, not charging enough for the intial product and then trying to make a profit through the postage.

One is naughty and one is stupid.
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 22, 2015, 05:49:53 pm
I did query it Ian, they have a minimum order weight of 3kg  %% how many people would order stuff weighing more than that?
Title: Re: SEABEX ONE scratch build
Post by: Unsinkable 2 on July 22, 2015, 08:26:55 pm
That's rediculous sounds to me like the model supplies are a front.........




Keep up the good work Kenny. Keep plugging away and do best you can no matter how long it takes...... I just did that, it felt like forever just to add a few wires but now it's done I'm happy (well I say done but some smart Alec noticed I'd forgot the fuses) {-) .    Back to the drawing board.....


Seabex is looking better each time I check this thread ........ U2
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 23, 2015, 10:27:09 am

Thank you U2.  I guess the fun is in the self construction and I really do enjoy the challenge.

The next batch of railings are done in a more modified way of construction and are starting to look more like the real thing.

I've got the price down to six pence each and no,  I'm not making any for professional sale  (I'm sick of doing them now... tehe)       Pictures when the paint's dry.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 23, 2015, 08:03:12 pm

Here is a picture of the latest batch of stanchions.  My thumb is along side for comparison of size.    %)


 
Title: Re: SEABEX ONE scratch build
Post by: tweety777 on July 23, 2015, 08:07:05 pm
Hi Ken,

That is a mighty big stanchion {-) {-)

Good work, I'll keep following this with great interest.

Greetings Josse
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 23, 2015, 08:10:57 pm
I have constructed the lifeboat holding frame from  RSJ  type plastic and surrounded it with the new stanchions.  These are not painted yet and will require masking off,  to protect the boat. 

I am trying a new tactic with the other stanchions.  I have them on the bench fitted into a base board in a nice straight line  so that I can paint them,  before offering them up to the boat.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 23, 2015, 08:14:12 pm

Yes indeed Josse.    :}     

 I've had another pair of  'specs'   made for close up work and they are magic.  Unfortunately,  when I look up to look around the workshop,  everything is blurred.   Hey Ho, the perils of age  !!!!

Cheers

ken

 
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on July 23, 2015, 08:42:42 pm
Looking spiffing Ken, those little details like the last set of stanchions makes a difference.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 23, 2015, 08:53:10 pm

I thought that as well but my Wife says it doesn't really matter.   %)   BUT you and I know the differences.   tehe

ken

Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 23, 2015, 09:04:11 pm
Regarding the specs Ken. I too went into my opticians, told him what I wanted and after testing my eyes I was looking at a bill over £100 :embarrassed: just for modelling use only. I didn't bother but I sourced a headset from a local shop, but they are on Ebay too. Its a headstrap with a peak, the peak swivels up and down so you can shove it out of eyeline. The peak takes a series of snap in lenses, 2x, 3x, 4x and 5x magnifcation. The sweet thing is that the peak can take two of these so you can go up as far as 9x magnification. Because they are attached to the peak you can wear your normal glasses at the same time!

Mine cost £15 but you can find them cheaper and a lot more expensive.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 23, 2015, 09:12:05 pm

I normally wear vari-focals but for model making I went for prescription lens.

Damn good they are as well but,  as mentioned,  when you look up to the distance it's totally out of focus and throws you a bit. 

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 24, 2015, 01:03:28 pm
Here's an idea for stanchions Ken.

Instead of drilling holes, cut them all to the correct size, then 3-4 at a time clamp them together in a desk vice or pliers. Then where you want your holes use a razor saw from the edge of the stanchion to cut a slot. Once you have done the first batch you can use one of those as a 'jig' to get the next lot of slots in the same place.

Once you have enough stanchions prepared insert the wire. Once you begin to solder the solder will fill in the gap of the slot binding the wire in the centre of the stanchion!

It came to me like archimedes, except I was in the shower - we don't have a bath %%   The theory is sound although I've not tried it myself.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 24, 2015, 04:20:01 pm

Let me know how you get on ......................................... %)

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 30, 2015, 07:04:48 pm

I have been getting on with the build by adding some more details.

The safety net around the  Heli pad has been secured in.  Thanks again to Brian for the material.  The material   (which is like Teflon)  was un-glueable and had to be affixed between two superglued surfaces so that it filled the holes to secure it. It all came out rather well in the end.

I have sprayed the giant  'H'  (in white) on the helipad by masking off the shape.  The lifeboat rigging was assembled and connected to some scratch built winches, and some ladders have been installed between decks.

Some life canisters have been made for the rear deck and an extra little lifeboat found in the spares box, fit's the bill just right behind the cabin.

I've found some 'stick on' lettering in the local hobbies store and didn't buy enough sheets, as I've run out of  'E's'   %)




 
Title: Re: SEABEX ONE scratch build
Post by: Unsinkable 2 on July 30, 2015, 08:35:25 pm
NICE........ It's looking better and better every photo..... U2
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 31, 2015, 09:52:29 am

Thank you.  It does encourage me to  keep going.  It's hard to believe there is nothing fitted under the decks yet. I'll soon have to think about it.

I hope it floats.   :}

ken
Title: Re: SEABEX ONE scratch build
Post by: Capt Podge on July 31, 2015, 10:51:43 am

I hope it floats.   :}

ken


So do we, Kenny, otherwise you would have to rename her "Seabex Gone" {-) {-)
 
...she's coming on nicely Kenny, starting to look the business :-))
 
Regards,
 
Ray.
 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 31, 2015, 04:50:54 pm

I have restarted the crane build as I had built myself into a corner.  Not much to show for it but it should be easier to motorise this time.   %)

ken

Title: Re: SEABEX ONE scratch build
Post by: Brian60 on July 31, 2015, 09:20:49 pm
Here you are Ken, something to drool over and get your karma back.....

https://www.youtube.com/watch?v=ZAJWwZwTx50&feature=youtu.be
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on July 31, 2015, 09:36:49 pm

Thanks Brian.    :-))   Modifications already spotted.   %)

I shall now change the name plate to white,  amongst a load of other things I noticed.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Martin (Admin) on July 31, 2015, 11:40:53 pm
 
I like these pick-ups Ken!

http://www.ebay.co.uk/itm/RC-R-c-Racing-Boat-Ship-Aluminum-CNC-Metal-Bottom-Water-Pick-Up-/160655232040?pt=LH_DefaultDomain_3&hash=item2567cc4c28


(http://i1129.photobucket.com/albums/m510/licejiu/Boat%20Parts/IMG_4658_zps525284cb.jpg)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 01, 2015, 10:37:47 am

Thanks Martin.   I'm going to have a go at making one now that I have had loads of pointers from everyone.    :}

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 01, 2015, 12:04:16 pm
The simplest way of making a water inlet is to simply use a piece of brass tube of the correct diameter and epoxy glue it into the hull bottom. Or the side of the moonpool that you have. Silicone hose between the end of the tube and the pump with it clamped into place with cable ties will do the rest. If necessary to add strength and support to the tube inside the hull can be done with a dollop of p45 or other car body filler.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 02, 2015, 10:16:28 am
Thanks Brian.

I replied to my request on the water intake  (in the wanted section)  before I read your reply.  Great minds think alike    %)  This is the way to go.

I have rebuilt another crane to look smarter than the last one and more tidy.  I do have the problem of where to fit the three motors to drive it though  ????  {:-{   

There's not a lot of room in the crane's cabin, so I'm contemplating running the  'ropes'  down through the pillar to below decks.  I need to rotate the arm and raise the hook and also raise the arm.   What a challenge.

I have a selection of tiny motors but they will need rope drums attached.  Any ideas folks  ?

ken

Title: Re: SEABEX ONE scratch build
Post by: Umi_Ryuzuki on August 02, 2015, 06:08:45 pm
Perhaps one of the RC car winches will make it easy on you?
http://www.modelsport.co.uk/3-racing-automatic-crawler-winch/rc-car-products/33081 (http://www.modelsport.co.uk/3-racing-automatic-crawler-winch/rc-car-products/33081)


If you take the large control wheel that comes with servos and attach it to the side
of a spool, you can then purchase or modify a servo for continuous running and use
the servo as the spool motor.


There are also ways to mount the motor inside the spool, but it takes a large bearing or two.

Simple way is to build yourself a frame for the spool and mount the motor through to
drive the spool, or mount the motor so it can belt or gear drive your spool.


 :-)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 02, 2015, 07:39:57 pm

You've got me thinking there  Umi.   Thanks for the idea

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Unsinkable 2 on August 03, 2015, 04:08:36 pm
I'm no expert but for me it would be a large sprocket fitted on the underside of the deck with a small motor attached to it to make it rotate. (Attached to the deck that is) The crane would sit on something that looks like the real thing but fixed to the disc via a connecting rod and so rotates with the hidden disc under the deck.


As for raising and lowering, I would use a sail winch servo also attached to the disc below the deck or something like Umi suggested.


Oh just make sure you fit something to stop it rotating more than 360 degrees if you try the latter. (Stops servo wire entanglement.    U2
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on August 03, 2015, 10:27:56 pm
Good idea U2, I was trying to form the clever words in my head but you got there with a good head start:O)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 03, 2015, 10:44:50 pm

Already working the idea.  The first version was to rotate the pillar but now modified to rotate the  'cab'  via a long drive shaft up through the pillar.

The winch motors are tiny enough to fit in the cab. but have to be supplied with  'power'  so we have be careful we don't twist them off with continuous rotating on way.   %)

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 04, 2015, 08:38:59 am
Use tracks and wipers. Remember how the arm on a bumper car gets its power from the mesh above it? Same principle. Two motors - three tracks. A common for the earth and two live for the power to each cab motor. The track would be circular mounted on your disk, the wipers would press down on them from the cab. That would allow continous rotation without twisting/stretching the wires off.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 04, 2015, 09:34:48 am

What a brill !  idea.    :-))   Very interesting project.  The centre rotating drive spindle could be neutral connection.

Yesterday I tried making the winding drums in plastic, for the ropes, but came up with some  'ropey' versions  (excuse the pun).  I need a sort of thin cotton reel type of thing and it's going to need  a gear wheel on the side.  Any ideas. ?

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 04, 2015, 10:57:46 am
For gear wheels your local pound shop is the place. Cheap chinese kids car toys. Those that either wind up or you pull them back and release. Take them apart there are gearwheels inside. Get two cars and you have two of everything! Trouble is they are made of Delrin a type of plastic that doesn't glue! So utilise the shafts they are mounted on.

Like a cotton bobbin but smaller? Use a piece of large dowel, stick it in your lathe (hand power drill chuck) clamp it to the bench or hold in one hand,  then sand the groove you need in the middle. Gears can be mounted on the end as above, drill a pilot hole in the dowel, insert gear spindle and epoxy it all in place.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 12, 2015, 09:10:18 pm
Eight days later and here we are.  The cable rollers have been fitted to the miniature motors and the rotating crane now rotates on gears from underneath from a sprung loaded motor in case of 'jamming'.

I took her out in the sunshine for a photo shoot session where 10,000 flying ants thought it looked a good place to set up home.   %)

Here's the latest pics ....................

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 12, 2015, 09:12:46 pm

The new lettering now in  White.


Moving around to the crane .......

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 12, 2015, 09:15:33 pm
I made a movie of the cranes lifting and swinging actions but can't show them here.       :}

The little hook was filed down from a 13 amp plug pin with a little bit of church roof lead wrapped around the wire to give it some weight.   %)



Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 12, 2015, 09:29:42 pm
Does the vicar know? ok2

You could post a link to your videos Ken. Open a youtube account if you don't have one - its free. Upload the videos and then post the link it gives you.
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on August 12, 2015, 09:40:18 pm
It will be a film worth watching Ken!

She looks a sweetie and the ants did not seem to want to lodge on her which is a good thing {:-{

Thanks for sharing your Blog with us, it is another interesting Narrative.
Title: Re: SEABEX ONE scratch build
Post by: Capt Podge on August 13, 2015, 12:44:18 am
That's a nice looking model Ken - well done :-))
 
........as they say "the end justifies the means" O0
 
Regards,
 
Ray.
 
Title: Re: SEABEX ONE scratch build
Post by: Martin (Admin) on August 13, 2015, 07:18:14 am
(http://4.bp.blogspot.com/-2hxgvwu-VDw/UB9HiSFKvnI/AAAAAAAAKPU/m42_YgmCJOo/s1600/Bill+Murray+You%2527re+Awesome.jpg)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 13, 2015, 10:39:41 am

Thank you for all your kind comments.    :-)   

The work goes on ..........  only the wiring for the computers/ motors/ steering/  lights/ water pump/ and other things to do before the sea trials.  %)

I will be making a YouTube film eventually to join the 30 or so,  already up there on    ' Ken Churchill's channel '  if you've got 5 hours to spare on a rainy day.

Cheers

ken



Title: Re: SEABEX ONE scratch build
Post by: Big Ada on August 14, 2015, 10:34:49 pm
You can always put a Video on Mayhems FB Site.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 14, 2015, 10:39:02 pm

Hopefully it will part of the build film.  Don't want to start on the  'trailers'  path but prefer a complete movie.  Good idea though.

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Unsinkable 2 on August 18, 2015, 08:26:22 pm
Fantastic stuff Kenny...... U2
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 19, 2015, 11:11:52 am
           Postings switched over to here from the Motors section



I need 6 speed controllers for my Seabex one.  I have acquired three
AcTion ones,  notably the two single one and the famous double one.  My wish is to run these to control 6 movements.

I need to control the speed on 2 sets of Schottle drives ,  and also control  the cranes boom,  up/down,  left and right/ and hook's up/down.

My idea is to fit a relay to switch the output of the Esc's between the two sets of devices whilst using the same toggles on the transmitter.


              STILL WITH ME    :}

My plan is to fit a multi-contact relay, operated by the radio,  to switch the  electricity output from the speed controllers to either section.  I appreciate the boat will loose control on either section during this process.

I need to know your best choice of which wire to switch over so that one section becomes isolated and stops working whilst the second set takes it's speed control information.

The answer that I've come with at the moment is to break into the three red outputs and leave all the 6  earths joined together.  Would this be a viable solution please,  and can you think of a simpler way  ?

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: inertia on August 19, 2015, 04:16:48 pm
Ken
First thought is that the polarity of the ESC output terminals changes over as the stick moves past neutral. Haven't sat down to draw this circuit but alarm bells are faintly ringing.
Dave M
Title: Re: SEABEX ONE scratch build
Post by: dreadnought72 on August 19, 2015, 04:36:34 pm
Ken, what controls do you have available on the tx?

Andy
Title: Re: SEABEX ONE scratch build
Post by: wombat on August 19, 2015, 06:13:43 pm
Ken,

My recommendation for what it is worth is that you switch both leads using a double pole relay so that the ESC is only ever connected to one motor and the other motor(s) are fully disconnected. This will reduce the risk of inadvertent short circuits and odd circuit loops that could cause odd behaviour and be a right pain in the bum to trace.

Wom
Title: Re: SEABEX ONE scratch build
Post by: Plastic - RIP on August 19, 2015, 07:10:16 pm
If you are driving non-critical functions, why not buy a bunch of cheapo ESCs from Ebay and drive each function with its own supply - saves all the wiring and hassle of over-thinking it.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 19, 2015, 08:24:55 pm
I have spent the day drawing out theories on this problem.  I have realised the situations described above.  The problems are deeper than at first thought.

1.  I am going to need an ESC for every one of the 7 motors.
2.  Can one ESC be switched to different appliances.
3.  I have a Spektrum D7,  6 channel radio.   The toggle levers could then be switched to different ESC's .  (my original request but at the loss of control to other motors)
4. I have luxury ESC's but not 7 of em !!!!!   so a couple of cheap ones for the crane would be in order.
5  I had thought of using another transmitter for the auxiliary controls

The closest I've got (on paper) is to break into the centre wire on the ESC, from the receiver, controlling one motor and switch this signal to a second ESC.  Would this stop the output action from controlling the motor it was connected to and transfer control to the second ESC.  It would of course be at neutral before changeover occurs.

If this proved successful, then maybe a switching to a third servo or ESC would control something else.  ?

I shall do up a temporary rig on the bench and try these ideas.  keep them ideas coming.   :}

Cheers

ken

Title: Re: SEABEX ONE scratch build
Post by: inertia on August 19, 2015, 11:17:27 pm
Ken
I tried switching just the signal wires when I was making my show demonstration boxes for ACTion ESCs, but Wombat's cursed earth loops and other oddities cropped up so often that I eventually resorted to switching both the signal and positive lines. It's no big deal if you use DPDT relays (one for each pair of ESCs). You can arrange for one channel to switch three such relays at once.
Pete Keirle - God bless him - actually came up with a PIC program and unit which did the job without relays, but I never got it to work with my test set. I called it Channel Hopper; PMK called it 'Kevin'....................
Come back, Pete - your country needs you  <:(
Dave M
Title: Re: SEABEX ONE scratch build
Post by: barriew on August 20, 2015, 06:44:04 am
Ken


If you are looking for cheap ESCs, try these. They claim 10 amps, but no way, however for up to 1 amp they work fine. You can also buy them with a claimed 20 amp limit and also with brakes. They are NOT Action quality, but they are small and cheap :-))


Barrie


http://www.ebay.co.uk/itm/RC-10A-ESC-Brushed-Reverse-Speed-Controller-2KHz-5V-1A-PPM-Boat-Without-Brake-/231444824721?hash=item35e32fc291
Title: Re: SEABEX ONE scratch build
Post by: Plastic - RIP on August 20, 2015, 08:24:39 am
Ken


If you are looking for cheap ESCs, try these. They claim 10 amps, but no way, however for up to 1 amp they work fine. You can also buy them with a claimed 20 amp limit and also with brakes. They are NOT Action quality, but they are small and cheap :-))


Barrie

http://www.ebay.co.uk/itm/RC-10A-ESC-Brushed-Reverse-Speed-Controller-2KHz-5V-1A-PPM-Boat-Without-Brake-/231444824721?hash=item35e32fc291 (http://www.ebay.co.uk/itm/RC-10A-ESC-Brushed-Reverse-Speed-Controller-2KHz-5V-1A-PPM-Boat-Without-Brake-/231444824721?hash=item35e32fc291)

I agree - I've used loads of these and they are simple, cheap and they do the job.
Title: Re: SEABEX ONE scratch build
Post by: malcolmfrary on August 20, 2015, 09:21:06 am
The 10A(!) ESCs are very effective once you remember that they have asymmetrical forward/reverse and they are limited to 8.4 volts.
Switching outputs - all reversing ESCs have two motor leads for a reason.  Both leads can, under control, be connected to either the pos or neg battery supply lead either through the appropriate pair of the H-bridge output transistors or the contacts of the reversing relay.  This is why, if an output needs to be switched, both motor leads need to go through relay contacts on their way to the motors and this means DPDT relays.  Fortunately these are common enough.
Finding the problem if an unintended short happens is easy enough - it will be at the bottom end of the cloud of smoke.  Finding out why and curing it is another story altogether, but applying an unintended voltage to an output is never a good idea.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 20, 2015, 09:29:03 am

@  Dave
I shall be experimenting today.  Thanks for the looping advice. Understandable that there might be a 'fight back' in the circuits.

@Barrie
I've never seen such cheap  ESC's   :D 

@Malcolm
Just as I suspected.  I thought there might more to it that first envisaged.



Another thought for you all.    What if the motor leads were removed from a servo and run out to the miniature motors in the crane.  Would there be enough micro amps to turn them.  I'm going to try this as well.

Should be a fun day.   At least I'm out of the rain and have the warmth of my soldering iron.   tehe        What a great, friendly intuitive set of club members who like using their heads.   :}


ken
Title: Re: SEABEX ONE scratch build
Post by: inertia on August 20, 2015, 10:37:52 am
Another thought for you all.    What if the motor leads were removed from a servo and run out to the miniature motors in the crane.  Would there be enough micro amps to turn them.  I'm going to try this as well.
Ken
There are plenty of articles around telling you how to convert a servo into a speed controller (which is what you're indicating) but the big problem is that servos have a very tight deadband and it's therefore very difficult to stop them at dead centre. I'm also a little concerned that these ESCs might not allow you to run the crane motors sufficiently slowly - but for less than a fiver each I don't suppose there's any harm in having a play with one! If you finish up with some redundant ones then I'm sure Barrie will take them off your hands......... 8)
DM
Title: Re: SEABEX ONE scratch build
Post by: John W E on August 20, 2015, 12:08:10 pm
hi ya Ken
 
Is there any special reason why you want to use speed controllers for controlling the movements on your crane.    Hows about 3 servos, (2 of which could be old ones with the electronics stripped out just leaving the motor and gearing) and the movement converted to complete rotation on these 2 servos.    Then, on the end of the servo drive mechanism a drum made up for to take your cables.   One servo will be for winching the jib up and down; the second servo which is modified for lifting the hook up and down.   What you need is (I think) an ACTion P44 which you will need 2 of, both switchers and programmed for non-latching connect one servo motor to one switcher which controls the jib movement through the servo, the other switcher controls the hook movement up and down.
The 3rd servo, could be say one of them that you purchase that is either a sail winch servo or one that has been modified to work at 180 degrees and this controls the slewing from port to starboard of the crane.   These then will all be fitted to the appropriate channels on your RX and then you will only require 2 speed controllers to control your movement of the vessel back and forwards.
just a thought for you Ken.
 
aye
John
Title: Re: SEABEX ONE scratch build
Post by: barriew on August 20, 2015, 12:51:16 pm
Ken
I'm also a little concerned that these ESCs might not allow you to run the crane motors sufficiently slowly - but for less than a fiver each I don't suppose there's any harm in having a play with one! If you finish up with some redundant ones then I'm sure Barrie will take them off your hands......... 8)
DM


I've used these with servo motors and 140 sizes. I can't speak about very slow running, although I would have thought that servo motors would need to be geared to get sufficient torque for the crane.
Current plans don't call for any more miniature models, and I will shortly have one spare thank you DM.  O0


Barrie
Title: Re: SEABEX ONE scratch build
Post by: malcolmfrary on August 20, 2015, 08:22:30 pm
Ken
There are plenty of articles around telling you how to convert a servo into a speed controller (which is what you're indicating) but the big problem is that servos have a very tight deadband and it's therefore very difficult to stop them at dead centre. I'm also a little concerned that these ESCs might not allow you to run the crane motors sufficiently slowly - but for less than a fiver each I don't suppose there's any harm in having a play with one! If you finish up with some redundant ones then I'm sure Barrie will take them off your hands......... 8)
DM
The ESCs work very well controlling my yacht winch which is basically a servo motor plus gears minus the original electronics (as stated, the lack of deadband getting on my wick).  The cheapos work well, better than a more sophisticated alternative that had a "soft start/stop" which meant that any precision was impossible.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 20, 2015, 08:41:04 pm
Thanks you all for your advice and notes on the cranes movement.

That problem is already resolved in that I have fitted miniature geared motors to the cranes lifting and pulling of the hook.  There is a geared motor under the deck already connected to the rotation shaft.  All these separate motors need to be controlled by a speed control system.

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 20, 2015, 08:55:59 pm

As you may have noticed,  I have brought over my separate thread that was on   'Motors' section, to join this main build thread.  I do apologise for causing you some hassle.

Now it's all together for easier reading and comments.

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 20, 2015, 09:22:37 pm
Today was a disaster   %)

The transmitter had gone flat.  Two servos were faulty and need repairs internally .................   oooh Vicar !!!!!      Torn gears and no plugs.

I have them all set up to get all the channels on my DX7 wired in at the same time.  It was then out with the Expensive Spectrum receiver and  when the R/X had charged we tried binding.  Well that took 35 mins.  Bad connections in my lash up on the bench, but we got there in the end.

After 40 minutes of playing around finding out what lever did what to the servos, the receiver went off.  It was extremely hot the touch and now doesn't work.  So it was out with the orange R/X and away we went on the testing but lost the extra servo control.   <:(

See the line up in the pictures which include the AR7100  R/X  ( £40 worth  !!!!)

One of the servos was my test bed for a continuous rotation by removing things inside and playing with resister values.   Dave, you are correct about the deadband.  The thing keeps turning even when the transmitter is switched off. You can see on the pics that I have adjust pots as well.   I shall not be pursuing this avenue but going over to ESC's for my gentle control idea.

That was my day gone so more tomorrow.   %)

ken

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 20, 2015, 09:32:16 pm
Hiya John

Here is a close up of the winch driving system.. I managed to get some miniature motors and made some small drums. The whole lot fits into the space on the crane and has quite a pulling power.  I'll check the  'amps'  to see if they can be driven by the cheap ESC's mentioned above.

In the piccie they look skew wiff but they levelled out ok.

Cheers

ken

 
Title: Re: SEABEX ONE scratch build
Post by: malcolmfrary on August 21, 2015, 09:30:36 am
And one of my versions using a butchered servo, mod for continuous rotation, original electronics replaced by one of Actions Pico ESCs.  The box is one of Maplins potting boxes.  From their past record, now that someone has found a use for them, they will probably discontinue them.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 21, 2015, 10:10:38 am

Very smart and tidy way of doing it.

Todays plan is to experiment with switching wires via radio control.  Wish me luck.

ken
Title: Re: SEABEX ONE scratch build
Post by: John W E on August 21, 2015, 10:40:17 am
Ken
I tried switching just the signal wires when I was making my show demonstration boxes for ACTion ESCs, but Wombat's cursed earth loops and other oddities cropped up so often that I eventually resorted to switching both the signal and positive lines. It's no big deal if you use DPDT relays (one for each pair of ESCs). You can arrange for one channel to switch three such relays at once.
Pete Keirle - God bless him - actually came up with a PIC program and unit which did the job without relays, but I never got it to work with my test set. I called it Channel Hopper; PMK called it 'Kevin'....................
Come back, Pete - your country needs you  <:(
Dave M
Hi Dave did you get the mark 2 version from dear Peter?
As this one works
Aye
John
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 21, 2015, 10:51:44 am

That's a tidy way of doing it.    :-))

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 21, 2015, 12:49:29 pm
I have a love hate relationship with electronics. I love dealing with them but hate it when they don't act in the way I envisioned. My present build I have decided instead of doing everything piecemeal. I am going to lay it all out on the bench in its approximate locations and design the wiring/circuitry all at once. Hopefully it will be a tidier solution (and work!)
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on August 21, 2015, 07:40:19 pm
I have a healthy respect for electric as when it is big, it electroplates you, and when it is small, it can still zap small things like servos and ESCs.

I am still not convinced that Electric is not magic and just dressed up in a variety of boxes and copper tubes wrapped in coloured pastic for the the electricity to pour through:O)

Eventually I will probably have a go at wiring random things together to see how much grey smoke I can make, but for now I am following the plug and play route with units and big instruction sheets (that I promise to read before doing anything:O)

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 21, 2015, 07:48:48 pm

That does seem to be a good idea, Brian. I usually try each circuit one at a time and then fit as I go along.  It does become confusing at a later date when you come back to it as you have to work out how you did it in the first place.   %)       Always make a sketch, I guess.

Today's experiment with servos was concluded quite quickly after discovering the output voltage to the motor.  I disconnected the servo motor wires and ran them directly to the 12 volt geared motor in the crane lifting gear.

The servo behaved marvellous under radio control but it moved so slowly, I wondered if it had stopped working.  A quick test with the meter revealed the motor was working on 4 volts  ?????   no good at all.

I then decided to run a speed controller instead so one was tried and it was great.  So it's been decided to fit these instead, so that's the weekend planned out.    ok2

ken


Title: Re: SEABEX ONE scratch build
Post by: essex2visuvesi on August 21, 2015, 09:52:09 pm
Can confirm... these are great little ESCs for the money


If you want one for testing purposes ill sling one in the the post
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 21, 2015, 09:57:09 pm

Thanks but that's Ok Garry as I have some in other boats.
Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: malcolmfrary on August 22, 2015, 09:33:57 am

Today's experiment with servos was concluded quite quickly after discovering the output voltage to the motor.  I disconnected the servo motor wires and ran them directly to the 12 volt geared motor in the crane lifting gear.

The servo behaved marvellous under radio control but it moved so slowly, I wondered if it had stopped working.  A quick test with the meter revealed the motor was working on 4 volts  ?????   no good at all.

I then decided to run a speed controller instead so one was tried and it was great.  So it's been decided to fit these instead, so that's the weekend planned out.    ok2

ken
A 12 volt motor on the RX supply will run slowly, using the servo electronics it will be running on the same supply as the servo would have got, i.e. 4.8-5 volts less whatever the output transistors drop.  If the motor wanted more current than the board could supply, then the best case is reduced output voltage, the worst case is smoke and smell. 
The speed control would supply from whatever voltage it was being supplied with, as long as the motor doesn't want more and the ESC is being supplied with voltage within its range, everything should be fine. 
If supplying motor power from the RX supply, beware.  The connections in the RX might not be happy with the current load.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 22, 2015, 09:52:26 am

Yes I have now realised that.  Thank you Malcolm for explaining the details. I bow to your superior knowledge.

I am now using AcTion's speed controllers and they work as expected.  An expensive way to go, but satisfaction guarantied.  Something magical about sitting in a chair and controlling gadgets from a remote box.   {-)   {-)

One small niggle is that cranes hook doesn't like lowering due to it's lightness.  Must hook up a grand piano for smooth actions here.   8)

cheers

ken
 
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 22, 2015, 11:30:07 am
re-cast the hook with a bit of lead. Simple to do.

Some fine sand, tamp it down, press your hook into it and tamp it down solid. remove the hook - one mould. A couple bits of lead inside a bean tin, crush the top of the (clean) tin to form a spout. Place on lowish heat on gas stove and wait for lead to melt, then carefully pour into the mould. Being careful not to breathe the lead fumes or indeed get splashed with the hot lead.

Let it cool down and remove the new hook which should add the required wait needed :-))

Of course you can get real fancy and make a two sided mould so that both sides of the hook are duplicated exactly but that is more complicated. Or maybe just cast half the hook twice, and then glue together back to back with superglue. It depends on how much detail you want to include on it.
 
Title: Re: SEABEX ONE scratch build
Post by: Umi_Ryuzuki on August 22, 2015, 05:33:59 pm
Or just add a lead ball to the line, or hook mount.
 :-))


.............(http://70.32.113.195/wp-content/uploads/tmb-OverhaulBalls_Midget_NonSwiveling_OB_04.jpg)
Title: Re: SEABEX ONE scratch build
Post by: Netleyned on August 22, 2015, 06:00:35 pm
Just slide a drilled lead fishing sinker down the hook
line Dont think they are lead but something not as
Nasty. They come in all weights and sizes.
FYI on cranes they are called ponder balls.

Ned
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 22, 2015, 09:59:35 pm
You've got me hooked  Umi.    :}

I did mention that I have part of lead roof wrapped around the string, so I'll go the whole way and make it all out of lead.

Cheer

ken
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 23, 2015, 09:12:39 am
I don't want to pee you off Ken but, take a look at this link. I spend my time looking at other boat forums in europe, its easy to do if you paste the address into google, it translates the pages into enough english to understand what they are talking about.

Anyway I was on a German site and came across this link to the Seabex crane......



https://translate.googleusercontent.com/translate_c?depth=1&hl=en&prev=search&rurl=translate.google.co.uk&sl=de&u=http://www.herbundsab-modellbausaetze.de/shop-neuheiten.html&usg=ALkJrhjN86Plh1Z2APE4XC2ZOfXiPBWB0g
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 23, 2015, 10:40:47 am
Quote from Brian
Quote
Anyway I was on a German site and came across this link to the Seabex crane......



It looks like I wasn't far out.     {-)

I appreciate the details Brian.  I shall add a few of these of these myself as it makes it look more interesting.

  Wired up the AcTion P 94 the wrong way around and had the  'blue smoke'  yesterday.  Spent the rest of the day crying and fault tracing.  I now have one motor going forward and reverse Ok but the other motor going forward and then faster forward.  The reversing relay has welded shut and probably damaged the controls system and chip.  Didn't sleep well at all.  It looks like a 'return to base' job.

ken

Title: Re: SEABEX ONE scratch build
Post by: Martin (Admin) on August 23, 2015, 11:11:36 am
  Wired up the AcTion P 94 the wrong way around and had the  'blue smoke'  yesterday.  Spent the rest of the day crying and fault tracing. 


Ouch, I feel your pain!

.... if you boil it in old oil, will that put the blue smoke back in it?  {:-{
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 23, 2015, 11:18:07 am

I'm stood in the corner waiting for the headmaster to come over and have a word.  <:(

ken
Title: Re: SEABEX ONE scratch build
Post by: Stavros on August 23, 2015, 11:31:23 am
All Milbs will say Ken is simple really...DARNED WELSH ELECTRICITY AGAIN

Been there had the tee shirt

Dave
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 23, 2015, 11:43:57 am

Hiya dave,
                  I'll go along with that.  I always connect up to half the voltage for the first connection test so luckily it was only 6 volts that went backward up the motor output leads.   %)

My fear is the  'Pic'  chip didn't like it. Good morning Mr Milbourn

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: malcolmfrary on August 24, 2015, 09:48:15 am
I would guess that the welded relay contacts are a hopeful sign that the protection diode did its job and protected the rest of the circuit.  A pity about the contacts being the remaining weak link, but as a workmate said to me many years ago when I did something similar with a test lead plugged into a battery rather than an earth bus, "Welding rods are cheaper you know".
Using hindsight, a fuse in the battery lead..............
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 24, 2015, 10:06:46 am

Hi Malcolm.

The whole weekend was spent analysing and desoldering.  I've given up on it now as the fault was traced all the way back to the  Pic chip.  I have access to the spares but the spirit is weak.   %)    must move on.

ken
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on August 24, 2015, 07:52:45 pm
Ouch, that is a painful way to spend seventy odd pounds Ken <:( <:( Note to self, be very careful when plugging stuff into mine, I am a P94 Virgin :}
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 24, 2015, 08:17:43 pm

Yes indeed.

Removed the P94 and installed two P98 single speed controllers. Wired up and tested working fine.    Happy bunny.  Found the motors  buzz on initial start with R/C toggles but covered up when they start rotating  ?    Noises covered by the whirl of the motors so acceptable when at sea.  Those schottles sure are noisy beasts.   %)

Having a lie down in a darkened room and planning the cranes movements next...................... What could possibly go wrong.   

Pictures coming later of rig so far.

ken

 
Title: Re: SEABEX ONE scratch build
Post by: inertia on August 24, 2015, 11:11:04 pm
Most unlikely to be the microprocessor, but Uncle Dave will have a look and mend the poor wee thing. Accidents will happen; it's not always Welsh Water (except whenever Stavros is involved..............  :o ).

DM
Title: Re: SEABEX ONE scratch build
Post by: Stavros on August 25, 2015, 12:30:53 pm
HA HA DM....welsh water is NOT good for the Amber Nectar of the gods

Dave
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 25, 2015, 10:15:30 pm

The Schottle drives have been connected up by linking the twin steering together via one servo. It's lovely to see them acting together and the sweep is almost 90 degrees.

I have wired in the Speed controllers and the motors tested Ok.  Only the bow motors to work out now.  The plan is to scratch build one powerful version.  I wonder how long this will take.   %)

The self damaged P98 SEC is on it's way back for repair and will be swopped back into the Seabex so that I can use the existing ones for crane duties.   Here are the latest pictures, as promised.

Cheers



 
Title: Re: SEABEX ONE scratch build
Post by: thething84 on August 26, 2015, 03:52:22 am
wonderful job. looking good.
Title: Re: SEABEX ONE scratch build
Post by: derekwarner on August 26, 2015, 05:19:04 am
Hullo Ken......not sure if we had seen the Schottle drives in an earlier posting in this thread..... but they look good.....so just a few questions

1. what size motors are installed?
2. what is the gear reduction...2.5:1? [just guessing by the diameters ;) ]
3. I suppose I am asking the final propeller RPM  O0
4. what is the inclusion of the Z in the control arm for   :o

Derek...in the soggy wet/flooded  Illawarra   :P
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 26, 2015, 08:20:30 am
The schottel drives are from the German company Marx Derek, don't ask me how I know %) I can't find any details about them but Westbourne Models still advertise them as available, funny because as far as I know they haven't been made for years ok2

Ken and all that are interested. Before you progress any further take a look at this guys set up, There are 5 videos and you can access the rest from the side bar, but this one shows how the crane works and how he has the drives set up to work, its very informative....

https://www.youtube.com/watch?v=GQ1JgxDFgPw
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 26, 2015, 10:26:14 am
Morning all, thanks for the comments.  Yes Brian, I have the set of films as a guide and often refer back to them for all my details.  It's sort of  'my Bible'  but a pity my computer doesn't transfer his spoken language over to English.  tehe.   I'm still fighting paying all that money for the two more required for the bow and hope to make my own.  The plan is to only have one up the front end which will I will construct and be a sturdier design made of metal with a larger prop for plenty of pulling power.


Hi Derek.  In answer to your kwestions.    %)

1:    The motors are special slow running 500 size and were chosen for their quietness and slower than usual rotational speed.    These were chosen after reading other folks write up's on the destruction power through the plastic bevel gear system.   :o   They are both wired in series on the 12 volt line to make them run even slower.  If it proves  'too slow'  then I can easily wire them back in parallel.

2:    You may be right about the reduction gears.  I will count the teeth and let you know.  As far as I'm concerned, it's a welcome feature.

3:    I have no way of knowing the rotation, but the 'props' do hum around at a modest speed.  My original intention was to 'dance around'  the lake in graceful pirouettes and tight circles, just to prove it could turn on a sixpence.  All nice and sedately when compared to the gut pulling tug under strain, or the captain wanting to go water surfing.

4:   The  'Z'  arm is only there because the threads on the adjusting arm cannot be drawn in any closer. It will eventually be a straight bar with just one thread for adjustment, but at the moment it's  'lashed up'  quickly, as I wanted to test it working.

As an addenda, you may notice the neoplastic tubes fitted in the drive shafts for quieter and vibration free running.  I shall soon be ready to float test her.    8)

Cheers for now.  back down the shed.

ken


 
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 26, 2015, 10:39:13 am
Ken just how complicated do you want to get?

I ask because you will have the ideal set up for a real dynamic positioning system once its finished! :-))   All you need is to connect the motors through something like an arduino board with a gps add on system. There are plenty of programs out there so you don't need to learn the 'language' just download it to the arduino.

That would be really showing off now! Sail out to the centre of the pond and leave the boat to control its own positioning, it would hold station without any imput. Think how you could amaze other boaters, sail up to the pier and standoff about a metre while you turn your back and go for a cuppa :}
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 26, 2015, 10:45:56 am

Mornin Bri ...............

I have just finished reading about Arduino and although I've done computer programming in the past, I felt it was too much for this  'ol brain'    {-)

The plan is to manually control the beast in unusual driving positions that you would not normally expect a model boat to do.  Diagonal pirouettes and that sort of thing.  (maybe to music at meetings !!   tehe )

I'd better do a float test soon as it's getting heavier.   :o

ken

 
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on August 26, 2015, 11:31:51 am
I have an arduino, my son bought if for me last xmas as I wanted to do allsorts with it on my build. Then asking for help on another site I was sent a Picaxe, already programmed to raise and lower my four towing pins and the sharks jaw. All I had to do was connect it to the receiver, flip a switch on the transmitter and it did all the rest. :embarrassed:

I am still working out all the mechanical connections to the electronics at the moment, hence why I have been asking about linear servos in the electronics bit. I now have 4 of those, with two more on the way. I had tried with ordinary serovs and cams on them but they took up too much room, these linear servo's are TINY! less than half a postage stamp in size.

Now if I can get me head (well not my head, somebody did the program for me) around stuff like this then you surely can! :-))
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 26, 2015, 08:03:12 pm

Sounds impressive.  I'll watch with interest........You never know, I might try it.

ken
Title: Re: SEABEX ONE scratch build
Post by: inertia on August 28, 2015, 12:00:01 pm
Sub-contractor's note: Ken's P94 was suffering from two dead diodes and a loose terminal. It has now been fixed and will be on its way back to Wales if I can get to the PO on the way to the pub this afternoon.................

DM
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on August 28, 2015, 04:58:14 pm
Wow....What service.   :-))

Thank you Dave. 

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: inertia on August 28, 2015, 06:46:32 pm
On its way back, m'duck. We tries us bestest.
DM
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on August 28, 2015, 10:28:19 pm
On the way to the pub; that's the way to live:O)
Title: Re: SEABEX ONE scratch build
Post by: inertia on August 28, 2015, 11:04:27 pm
 :-))
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 02, 2015, 04:32:27 pm

We had the repaired Speed controller back and it's working a treat.   Always helps to connect things the correct way around.    %)

It's all assembled into the hull and the wiring has been fed through the floor to keep it all tidy.

I've redone the tiller arm Derek so it looks quite smart.

Here's the latest piccies................

 
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on September 02, 2015, 10:21:51 pm
Your layout looks very neat Ken. It is certainly an example to learn from despite having a claustrophobic destroyer hull to squoze electronic tech into.

Title: Re: SEABEX ONE scratch build
Post by: Stavros on September 02, 2015, 10:26:18 pm
Ken have you sealed the wood with some resin to stop water getting into in on the inside of the hull

Dave
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 02, 2015, 10:41:25 pm

Thanks for the comments, and yes it is sealed with clear epoxy.  I did think of painting it and might come back to this later.

ken
Title: Re: SEABEX ONE scratch build
Post by: derekwarner on September 03, 2015, 12:13:41 am
So Ken says...... "I've redone the tiller arm Derek so it looks quite smart"...yes it does Ken :-))....we see you have also installed different motors and motor mounts

1. What was the basis for that?....
2. Will the sections of silicone tubes be the final couplings between the motors and the gear drives?
3. I am trying to understand if the off axis the parallelogram of forces between the servo axis and the pivot axis for the steerage is an issue >>:-( ....I'll knock up a sketch & post it
4. No...it's OK..... :embarrassed:

Derek
Title: Re: SEABEX ONE scratch build
Post by: Umi_Ryuzuki on September 03, 2015, 05:35:37 am
I would be concerned that the silicone tubing is going to wind up like a rubber band.
Perhaps some vacuum tubing from the automobile store with a bit of fabric in it?
Or make the expenditure for some nice u-joints or other mechanical connection between the motors and drives.


 {:-{
Title: Re: SEABEX ONE scratch build
Post by: nivapilot on September 03, 2015, 05:59:34 am
or just push some tube or rod down the silicon, so that you end up with a solid section and then two silicon couplers...one at each end?

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 03, 2015, 09:46:22 am
Hi Derek,

Thank you for your observations.  I do value them and take them on board, as with other members thoughts.  I have just taken these pictures to give a better perspective of the shaft line up.

I have installed different motors because the previous ones were too fast and would have destroyed the Schottles  'mid ocean' .  ( something I read about with other's models)   They are wired in parallel as well to reduced their RPM.  I have also made  new motor brackets because the plastic versions were overdriven with fixing holes and messed up the look.


Hi Umi,
The tubing was chosen for it's sturdiness and quite thick walls, but your are correct that it  'bows' outwards at speed. It doesn't appear to want to fly off, but remains in place, at the moment, with no exterior load of water drag.

Hi nivapilot,
I do like your idea and will be fitting it soon.  I shouldn't think it will need any form of clamping onto the shafts as the grip is quite nice.

thanks folks

ken



 

Title: Re: SEABEX ONE scratch build
Post by: boneash on September 03, 2015, 06:22:41 pm

  "They are wired in parallel as well to reduced their RPM"

Hi Ken, are you sure that the motors in parallel will reduce their speed ?? 
Title: Re: SEABEX ONE scratch build
Post by: TomHugill on September 03, 2015, 06:47:49 pm
It won't.....
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on September 03, 2015, 06:52:46 pm
I think he means in series.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 03, 2015, 08:13:46 pm
Wired in  SERIES  chaps.      %)

I was so excited about getting it working that I couldn't wait to show you all.   tehe


I have cut a bicycle spoke to fit inside the tubes and it certainly does the job.  Thanks nivapilot.    :-))


ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 09, 2015, 08:02:48 pm

I have won another Schottle drive from that  'Site',  all thanks to Stavros for the 'heads up'.

It has arrived, only to be promptly dismantled, as per the pictures.  I have to make it reach deeper from the bow down into the water so an extension was needed.

This involves stripping it apart and fitting longer tubes.  Easier said than done, as I have been carefully working on it for the last two days trying to get it apart.  It does involve destroying part of it to access the remaining parts for salvaging back together.


Here are the parts laid out and waiting for joining together with epoxy.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 09, 2015, 08:07:54 pm
I has considered the rubbish gears  (made of plastic)  and had already bought some metal ones.  Fitting them has proved a mechanical nightmare beyond my workshop equipment so I am forced to use the plastic ones. One of the gears is sealed into the red bit you see below and I don't want to rick breaking it open.

I will need a Kort tube to finish it off as mine was missing.  Any ideas fellas. ?

As a deflection, I was experimenting with my  Chinese  speed controller and wonder about  'Chinese amps'  when there was an explosion on the bench.


Hey Ho                            %)

 
Title: Re: SEABEX ONE scratch build
Post by: Stavros on September 09, 2015, 09:23:24 pm
Find a plummer and get some pipe to match the dia of the prop,or troll B&Q for some plumming fitongs that would fit


Dave
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 09, 2015, 09:30:53 pm

@ Dave,
I have the plumbing  (finally) as it is very special diameters and bores.  Matching it all was a pig !    Nothing was standard sizes.  I should be alright for parts, it's just the fine work that is coming up, putting it all together.   :-))

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Stavros on September 09, 2015, 09:32:08 pm
I meant for the Kort Nozzle

Dave
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 09, 2015, 09:38:04 pm

Ah !!   I see what you mean.   yes, I'll find the diameter needed.

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: Capt Podge on September 09, 2015, 10:40:34 pm
I was experimenting with my  Chinese  speed controller and wonder about  'Chinese amps'  when there was an explosion on the bench.

Well Ken, the Chinese did invent the fire-cracker {-)
 
...so, what was the sequence of events that led to the explosion?
 
I'm asking this just to prevent myself from doing something similar %)
 
Regards,
 
Ray.
 
Title: Re: SEABEX ONE scratch build
Post by: inertia on September 09, 2015, 11:25:22 pm

I'm asking this just to prevent myself from doing something similar %)
 

That's an easy one, Ray - just don't buy one.   8)
Dave M
Title: Re: SEABEX ONE scratch build
Post by: Capt Podge on September 09, 2015, 11:29:20 pm
That's an easy one, Ray - just don't buy one.   8)
Dave M

 {-) {-) {-)
 
Good advice Dave - thanks for that :-))
 
Regards,
 
Ray.
 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 10, 2015, 09:52:02 am

It was one I'd had in drawer.  It took out a 15 amp fuse with a blinding  'crack'.

The result you see is after I carefully sawed away the metal sides.  As Dave says " buyer beware"

ken
 
Title: Re: SEABEX ONE scratch build
Post by: inertia on September 10, 2015, 10:31:56 am
It was one I'd had in drawer.  It took out a 15 amp fuse with a blinding  'crack'.

The result you see is after I carefully sawed away the metal sides.  As Dave says " buyer beware"

ken
 
Well, well! A Blue Meanie! What a surprise!
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on September 10, 2015, 09:23:20 pm
Hi Ken.

If you are looking for many different sizes of plastic tube, I reccomended EMA to Bob K a few months back when he was looking for domes for his turrets on the Poly. They do lots of different tubes in different plastics, so it might be worth a look.

Just Google EMA. They sell stuff to professional modelmakers and the film/prop industry.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 10, 2015, 09:28:21 pm

Thanks for that.. I'll look it up

cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: david48 on September 11, 2015, 10:11:51 am

This is the EMA link ,I have just used them for some valves and pipe service is good .http://www.ema-models.co.uk/index.php/
David
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 11, 2015, 12:06:31 pm

Thanks David.

I've book marked it.

ken

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 16, 2015, 04:45:00 pm

It's been a while as I have been busy in the shed.  I have completed the Schottle for the Bow and now have it fitted and wired up to another speed controller.

Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 16, 2015, 04:49:20 pm
I have discontinued the idea of an Action twin speed controller as I didn't need the different actions it provided.

Instead of these,  I have now fitted the two P98 single action speed controllers for bow and Stern controls on separate sticks.  I should be able dance all around the lake  in any direction. I can't wait to get her in the water now as she is ready.


Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on September 16, 2015, 04:54:44 pm
I have found my  'Prize'  from Martin,  from many years ago  !!,  where I won the best sinking award at the Mayhem party at Wickstead park.

It is scale  R/C submarine.     :}      I was  very pleased to notice that the scale fitted with my latest project and she now sits proudly on deck awaiting immersion in the  'Briney'.      {-) 
 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on October 15, 2015, 02:27:46 pm
Time for the float test ........................ %)

Here she is in the bathroom.  Only just fits in the length  (if the bath water is to the top of the rim !)

She needs 5 of those 12 volt batteries to bring her to the water line, but where to put them is quite crucial. There was water seepage inside the hull even though it was epoxied all over.  I will give this section another coating.

I weighed the total ship with it's balancing loads and it came to 30 killos.  ( the weight of a small child about 3 stones  ?)  I'll have to lay flat lead sheeting to substitute those tall batteries.

Should be fun launching it.    {-)

Cheers

ken

 
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on October 15, 2015, 02:31:57 pm

You might have noticed the broken front Schottle blades.      <:(

This ship does not stand alone on the floor.  It must be on it's stand at all times.

hey ho.

ken
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on October 15, 2015, 11:09:03 pm
Oops, That is a nuisance. Still, she does look good on the water and all being well, she will do it on a lake and not seep water.

Title: Re: SEABEX ONE scratch build
Post by: david48 on October 15, 2015, 11:24:33 pm
We Got ta get a bigger bath . 
David
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on October 16, 2015, 09:59:58 am
The seepage was minimal but I will run another coat of epoxy around the inside to seal it.

The rear deck will be sealed on when I'm satisfied I can access the components easily.

cheers

ken

Title: Re: SEABEX ONE scratch build
Post by: Big Ada on October 16, 2015, 04:39:36 pm
Is there no way you can create a Free Flooding section to do away with all that ballast?.

Len.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on October 16, 2015, 08:12:37 pm
Good lateral thinking Len.  I do not have the floor space for this, so I'm considering lesser batteries.  The idea being to keep the ship level but a little higher in the water.   I couldn't possibly lift her into the lake fully loaded so will fit the batteries when launched.

Today I fitted the lighting to the cabins and wired up the radar unit.  I sat there with a cuppa thinking  " what next".    The re doing of the epoxy on the inside is very slow  'going off'.  It might be the colder weather or maybe I have the mix ratio wrong but we'll see in the morning.

I've just missed out in the auction of the Schottle drive on Ebay so I'm still one short in the bow.    <:(

ken

Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on October 16, 2015, 09:04:02 pm
That is a nuisance ken. I hope you are luckier on your next attempt.

Title: Re: SEABEX ONE scratch build
Post by: Brian60 on October 17, 2015, 08:13:49 am

 I sat there with a cuppa thinking  " what next".    The re doing of the epoxy on the inside is very slow  'going off'.

ken

I know what you mean Ken. Iv'e spent the week casting in resin my four control desks- just to get them to light up. Having to wait 24 hours for them to cure then because they are clear, everything has to be painted several times to stop light penetration. One coat not being enough, I've had to wait 8 hours between coats of enamel, I'm up to 3 coats so far and I still have a little light showing through in parts! I might manage an update by tomorrow {-)
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on October 17, 2015, 11:22:32 am

I checked the epoxy this morning and it has gone to Non tacky but still soft, so we are on the way up.

I had a bit of fun fitting the radar up through the tower.  I used a miniature geared motor with no strength in the gear wheels. ?    It didn't like me holding the shaft to test the tension and sheared it's teeth.  Good job I had two motors.   %)

Very sad at loosing the auction for the schottle as these are hard to come by.

cheers

ken
 
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on October 17, 2015, 01:49:33 pm
You could always have a go at making one Ken  O0 O0 Thats what I am looking at doing for my next offshore build %% Mine have twin props per housing as well not one!
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on October 17, 2015, 05:22:26 pm

That was the original plan Brian.  Since modifying one longer from a stock item, I realised the intricacy of it all pulling together.   I'll watch your build.   :}

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: DavieTait on October 17, 2015, 05:31:00 pm
30kg closer to 5st ( 6.35kg to the Stone so 4st 10lb !!!)
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on October 17, 2015, 07:57:32 pm
Got this from another forum Ken. Taken in 1985 it shows the Seabex in a horrible brown colour, it is brown, its also shown this colour in a brochure from the same period.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on October 17, 2015, 09:37:10 pm

That's great.  Thank you Brian.  I have copied it off, and it enlarges successfully for better details to be observed.

My internal filler is now going off satisfactorily so I wired in the lights all tidy like.   %)

Day off tomorrow.  I'm taking my Tamiya trucks to a party.  No rest for the wicked r/c types.  tehe.

Ken
   
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on October 18, 2015, 06:58:05 pm
It looks like they sprayed it red oxide and then never bothered to put a top coat on! That will look fab distressed.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on October 18, 2015, 08:03:15 pm

It's certainly  'weathered'...................  %)

ken
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on January 06, 2016, 09:52:25 pm

I have done a float test and finished off the boat. Everything works under remote control and it's sitting on the shelf waiting for a warm sunny day.

I have made a YouTube film  (which took all day to edit down !) so if you have 20 mins to spare then here it is ..........

     https://www.youtube.com/watch?v=SCks_SO3gAI

Thank you for watching.

ken
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on January 06, 2016, 10:35:46 pm
Excellent project Ken. I watched five minutes and then the phone rang but will dip back in for more.
Title: Re: SEABEX ONE scratch build
Post by: Norseman on January 07, 2016, 02:23:09 am
Nice work Ken. I watched the video too but no keyboards this time? Thought my speakers had bust at first  %% 


Dave
Title: Re: SEABEX ONE scratch build
Post by: Unsinkable 2 on January 07, 2016, 07:14:45 am
I've been following this since I first joined. It's absolutely superb! I can't wait to see it sail. Well done :-)) :-)) :-)) :-)) .  U2
Title: Re: SEABEX ONE scratch build
Post by: Brian60 on January 07, 2016, 09:17:04 am
Nicely finished Ken, I thought she had gone into hibernation just like my build has at the moment.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on January 07, 2016, 10:19:23 am

Thank you all for your kind comments.  :-)    The film took all day to make and I forgot to add some music.

I will sail her when the weather improves and also demo the crane's multiple actions on the water.  I had forgotten how heavy she was when I moved her outside for the final movie.   !!!   Did you like the M4 road traffic noise.  It's the other side of the fence  !   Always sounds worse in the winter because the trees are bare.

Cheers

ken
Title: Re: SEABEX ONE scratch build
Post by: dougal99 on January 07, 2016, 10:54:33 am
Wonderful work. You deserve a medal for all those windows, never mind the rest of the build.  :-))
Title: Re: SEABEX ONE scratch build
Post by: 16-21 on January 08, 2016, 11:39:50 am
Hi Ken,

Congratulations on finishing Seabex
Beautiful ship, hope you have some help to launch her
not just because of the weight but also all the fiddly fittings and the crane..

Adam
Title: Re: SEABEX ONE scratch build
Post by: ballastanksian on January 08, 2016, 12:47:43 pm
It is a day for completing working vessels! Lovely job Ken.
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on January 08, 2016, 01:04:02 pm

Thanks guys.  Looking forward to the first sail.    :-))

ken

Title: Re: SEABEX ONE scratch build
Post by: Martin (Admin) on January 16, 2016, 11:00:17 pm
 
Hey Ken!   -    http://www.ebay.co.uk/itm/graupner-seabex-one-/181993654775?hash=item2a5faac9f7:g:BYYAAOSwX~dWmqON
Title: Re: SEABEX ONE scratch build
Post by: Tug-Kenny RIP on January 17, 2016, 10:16:08 am

Complete kit for 350.    %)    Not a bad price at the moment

Much more fun scratch building one though.   %%

ken
Title: Re: SEABEX ONE scratch build
Post by: Unsinkable 2 on January 17, 2016, 05:34:12 pm

Much more fun scratch building one though.   %%

ken


Very true, my Alantis will be about a quarter of the complete kit price and yet double the fun to make with the added bonus of being able to say I built it ALL myself 8) .......