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Author Topic: Tug Build (as cheap as possible)  (Read 15407 times)

Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #25 on: August 01, 2014, 04:03:39 PM »

I have also found a thinner pipe for the funnel.  It's cut a bit over length at the moment because I want it to look right when the wheelhouse is finished.

The  prop shaft and tube were cut down to 6 inches to fit comfortably with the motor at the correct slight angle.  The whole lot was bedded in with epoxy and weights applied.
 
 Blue tack was jammed in to prevent the epoxy running away down into the bilge.

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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #26 on: August 01, 2014, 04:06:37 PM »



The rear deck was cut out to allow for the rudder adjustments at a later stage. A little cover was made to go over the top and seal it from water ingress.

Do you like the  'Girly coloured'  cutting mat.         {-)


Ken



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CyberBOB

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Re: Tug Build (as cheap as possible)
« Reply #27 on: August 01, 2014, 06:59:19 PM »

You may have lost brownie points for "borrowing" her cutting mat. %)


But you should still be up by 1!
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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #28 on: August 01, 2014, 08:31:55 PM »


Even more points as I've got it dirty and scratched.     {:-{


Ken

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Capt Podge

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Re: Tug Build (as cheap as possible)
« Reply #29 on: August 01, 2014, 11:31:12 PM »


 Blue tack was jammed in to prevent the epoxy running away down into the bilge.



Now, there's a good idea O0
 
Does the blue tack come away clean once the epoxy has hardened off ?
 
Regards,
 
Ray.
 
 
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NFMike

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Re: Tug Build (as cheap as possible)
« Reply #30 on: August 01, 2014, 11:43:44 PM »


Does the blue tack come away clean once the epoxy has hardened off ?

I used blutac as a dam for epoxy many years ago and it was pretty messy. The glue and tac seemed to react to a sticky mess for a mm or two into the tac. The body of the glue set up fine, but it was a bit messy getting the tac off. I had deliberately left excess glue which needed to be cut and filed off to my final shape, so it didn't affect the end result, but I wouldn't try and use it for precision casting like you do (eg) with sand for metal.

Of course different epoxy and 'blutac' makes and types may produce different reactions, or none at all. No doubt Ken will be able to add to that soon  :-)

CyberBOB

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Re: Tug Build (as cheap as possible)
« Reply #31 on: August 02, 2014, 03:36:16 AM »

Similar thing happened to me using a dam made from plasticine, couldn't get it off where it "blended" with the epoxy.


I've heard a hot glue gun works for this, and epoxy doesn't stick to it, but haven't tried it.


Just don't get the hot glue gun dirty and scratched, you'll lose points. O0
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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #32 on: August 02, 2014, 10:36:28 AM »


I haven't been out to look this  morning yet, but will report on these latest comments. 

Luckily, looks don't really matter this low down in the hull. It never occurred to me the two compounds might weld together.


ken

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U-33

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Re: Tug Build (as cheap as possible)
« Reply #33 on: August 02, 2014, 11:56:03 AM »

There's one sure fire way to find out, Ken...and you'll be finding out very soon, methinks.   ;D


Rich
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CyberBOB

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Re: Tug Build (as cheap as possible)
« Reply #34 on: August 02, 2014, 05:49:41 PM »

You are absolutely right, it doesn't matter, it is on the inside, and hidden by the shaft.


And if the Mrs. notices, you can say you were out of the proper stuff, and that was all you had. {-)


Keep up the good work it reminds me a lot of scratchbuilding when I was a kid, and didn't have any money. They always turned out (for better or worse).
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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #35 on: August 02, 2014, 10:22:44 PM »


It came out very well.              :-))

The edges do mingle with the epoxy so a bit of judicious chiseling cleared it all away.  It looks quite acceptable and would be appear to be the way to do it.

Today I made a barn door rudder and located and secured the steering servo.  Pictures to follow.

ken

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Capt Podge

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Re: Tug Build (as cheap as possible)
« Reply #36 on: August 02, 2014, 11:14:38 PM »

Hmmm - wonder what would happen if you put clingfilm between the blue tack and the glue - I'll have a go at some time in the near future :D
 
Regards,
 
Ray.
 
 
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CyberBOB

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Re: Tug Build (as cheap as possible)
« Reply #37 on: August 02, 2014, 11:32:10 PM »

That would work, have used cling film many times as a barrier.  Waxed paper works as well.  Scotch tape (I think it is referred to as cello tape outside North America) works very well, the best part is neither epoxy nor polyester resin will stick to either side, which makes it ideal for fixing holes.
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derekwarner_decoy

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Re: Tug Build (as cheap as possible)
« Reply #38 on: August 02, 2014, 11:46:24 PM »

Guys......plain old PVC electricians tape is also OK for the barrier with epoxy not adhering or sticking to the tape when cured  :o

Question ......if Scotland succeeds from Britain/UK will they need to rename Scotch tape?  {-) .... Derek
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CyberBOB

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Re: Tug Build (as cheap as possible)
« Reply #39 on: August 03, 2014, 12:45:14 AM »

Electricians tape also works, but the scotch tape releases easier from the cured resin.
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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #40 on: August 03, 2014, 04:40:48 PM »



Here is a picture of tube surrounded with epoxy.  It came out quite clean in the end.

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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #41 on: August 03, 2014, 04:44:01 PM »


Onwards to the Wheelhouse section.  I've also made the rudder cover for the deck.




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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #42 on: August 03, 2014, 04:46:39 PM »


I have made a bulkhead under the deck and drilled out a slot for the steering servo.  The deck is not secured at the moment, but when it is, i shall be able to remove the servo up under.
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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #43 on: August 03, 2014, 04:48:22 PM »


The rudder was made with a brass tube to which was glued and pinned with 2 mm plastic. I then added some ribs.


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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #44 on: August 03, 2014, 04:51:13 PM »


My favourite part ........................................ {-)

it was time to spray the lot with Red Oxide.  I do love this part as it covers so well and easy to apply and does not run.

I sprayed everything I could see and it was dry in 15 minutes.



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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #45 on: August 03, 2014, 04:54:16 PM »



Here are a few close up shots for the fun of it.

One general question............... Do you think I need a mast  ??



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Tug-Kenny

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Re: Tug Build (as cheap as possible)
« Reply #46 on: August 03, 2014, 04:58:10 PM »


Well there we are at the moment.  Not a penny spent  " This time".  but financially ,  all the parts were once purchased and not used so the costs are actually there.  I prefer not to think about this as I'm going to have to raid other boats for things i will need to get her sailing.

Thanks for watching.................. next section is to glue it all down and wire it up.   %)

Cheers

ken

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mark w

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Re: Tug Build (as cheap as possible)
« Reply #47 on: August 03, 2014, 05:15:37 PM »

 :-))


Mark
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Stavros

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Re: Tug Build (as cheap as possible)
« Reply #48 on: August 03, 2014, 07:46:11 PM »

yes you defo need a mast
 
Who forgot to spray the gunnels .......... :D O0 {-) {-) {-) {-) {-)
 
 
Dave........running for cover
 
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davidjt

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Re: Tug Build (as cheap as possible)
« Reply #49 on: August 03, 2014, 08:11:39 PM »

he is on a budget, the paint wont run that far up, that's next coat

david
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