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Author Topic: SEABEX ONE scratch build  (Read 125839 times)

Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #325 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................

 
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ballastanksian

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Re: SEABEX ONE scratch build
« Reply #326 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.

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Stavros

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Re: SEABEX ONE scratch build
« Reply #327 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
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Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #328 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
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derekwarner

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Re: SEABEX ONE scratch build
« Reply #329 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
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Umi_Ryuzuki

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Re: SEABEX ONE scratch build
« Reply #330 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.


 {:-{

nivapilot

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Re: SEABEX ONE scratch build
« Reply #331 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?

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Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #332 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



 

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boneash

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Re: SEABEX ONE scratch build
« Reply #333 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 ?? 
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TomHugill

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Re: SEABEX ONE scratch build
« Reply #334 on: September 03, 2015, 06:47:49 pm »

It won't.....
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Brian60

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Re: SEABEX ONE scratch build
« Reply #335 on: September 03, 2015, 06:52:46 pm »

I think he means in series.

Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #336 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
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Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #337 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.

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Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #338 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                            %)

 
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Stavros

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Re: SEABEX ONE scratch build
« Reply #339 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
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Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #340 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
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Stavros

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Re: SEABEX ONE scratch build
« Reply #341 on: September 09, 2015, 09:32:08 pm »

I meant for the Kort Nozzle

Dave
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Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #342 on: September 09, 2015, 09:38:04 pm »


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

cheers

ken
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Capt Podge

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Re: SEABEX ONE scratch build
« Reply #343 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.
 
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inertia

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Re: SEABEX ONE scratch build
« Reply #344 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
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Capt Podge

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Re: SEABEX ONE scratch build
« Reply #345 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.
 
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Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #346 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
 
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inertia

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Re: SEABEX ONE scratch build
« Reply #347 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!
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ballastanksian

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Re: SEABEX ONE scratch build
« Reply #348 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.

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Tug-Kenny RIP

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Re: SEABEX ONE scratch build
« Reply #349 on: September 10, 2015, 09:28:21 pm »


Thanks for that.. I'll look it up

cheers

ken
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