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Author Topic: U-141 Scratch Built Type 2D  (Read 6919 times)

Desi

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U-141 Scratch Built Type 2D
« on: September 17, 2009, 02:32:10 pm »
Hi,
Here is my first submarine, scratch built 1:40 Scale Type 2D.
I found on researching the Type 2 boats that U-141 had the 8 dark stripes as camouflage,
and had a devil riding a torpedo as the emblem on the corning tower.

The hull is a one off, balsa/bass wood covered with 5 layers fiberglass cloth and epoxy resin.
I then opened up the boat at the waterline and took out all the wood etc.
The boat is powered with a single 6 volt 4.5 amp hr lead acid battery, gives me about an hour and a half.
Dual geared Aeronaut 6 volt motors provide sufficient power for the sub.

I have used the simplest system possible, where I use a 6 volt air pump
drawing air in from the periscope into the ballast tank to bring the boat up.
Trick is to have the periscope above the water. The pump can handle air and water- no problem
Pumps can be had from Caswell Plating.

I have a 4" dia 4" long lexan ballast tank  where I have installed a propel failsafe back up system.
The boat runs beautifully!
Best Regards,
Desi
Toronto, Canada




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gingyer

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Re: U-141 Scratch Built Type 2D
« Reply #1 on: September 17, 2009, 03:46:20 pm »
that looks very nice
some good underwater pics also :-))
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swampbug

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Re: U-141 Scratch Built Type 2D
« Reply #2 on: September 17, 2009, 04:07:06 pm »
Wow impressed, i love work boats but your sub caught my eye, she is a beaut  :-))
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Martin (Admin)

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Re: U-141 Scratch Built Type 2D
« Reply #3 on: September 17, 2009, 05:11:12 pm »
Wonderful job and great photos Desi!   :-))

 A few of the guts too please...?
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Turbulent

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Re: U-141 Scratch Built Type 2D
« Reply #4 on: September 17, 2009, 06:17:18 pm »
Very Nice & history as well, Ditto Pic's of the innards please :-))
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jonny shoreboy

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Re: U-141 Scratch Built Type 2D
« Reply #5 on: September 17, 2009, 06:44:31 pm »
Fantastic looking model you have there mate! Nice work! Love the under water pictures too..
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das boot

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Re: U-141 Scratch Built Type 2D
« Reply #6 on: September 17, 2009, 08:48:09 pm »
Same as they said....and ditto the internal pics if you please.


Rich
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BTS

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Re: U-141 Scratch Built Type 2D
« Reply #7 on: September 17, 2009, 10:38:49 pm »
Woah, what a beauty! :-))
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polycell

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Re: U-141 Scratch Built Type 2D
« Reply #8 on: September 18, 2009, 03:15:31 pm »
Nice job Desi how does she handle?
Yep agreed lets have a look in the inside please.
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timsenecal

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Re: U-141 Scratch Built Type 2D
« Reply #9 on: September 18, 2009, 04:14:59 pm »
Desi,

Very nice boat,  I think you chose wisely, the colors/pattern looks great.  I also would be very interested in seeing photos of your U-141's innards

Tim
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Desi

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Re: U-141 Scratch Built Type 2D
« Reply #10 on: September 22, 2009, 01:10:27 pm »
Hi All,
Shall post a couple of pics of the guts of the boat.

The boat drives beautifully, and is very stable.
Given my limited knowledge of building and running a sub...

Keep everything above the waterline as light as possible, makes for less ballast to take on and get rid off.
Get all the weight/lead as low as possible in the boat.
Take you time in building the WTC...

KEEP IT SIMPLE:)
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Desi

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Re: U-141 Scratch Built Type 2D
« Reply #11 on: September 23, 2009, 01:24:59 pm »
Hi All,
Innards of the boat as requested-
I have tried to identify the main parts and the operation of the boat

All the best with all your builds!
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Desi

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Re: U-141 Scratch Built Type 2D
« Reply #12 on: September 23, 2009, 01:35:17 pm »
Another try with the images!
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das boot

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Re: U-141 Scratch Built Type 2D
« Reply #13 on: September 23, 2009, 01:40:13 pm »
Either my eyesight has got worse, or the images failed....



Rich
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Desi

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Re: U-141 Scratch Built Type 2D
« Reply #14 on: September 23, 2009, 01:42:35 pm »
TRY, TRY, TRY AGAIN...
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das boot

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Re: U-141 Scratch Built Type 2D
« Reply #15 on: September 23, 2009, 01:50:00 pm »
That's better! Excellent pics Desi, very neat installation.   :-))

Thanks for posting the pics  !


Rich
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timsenecal

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Re: U-141 Scratch Built Type 2D
« Reply #16 on: September 24, 2009, 03:25:02 am »
Desi,

what are the dimensions of your boat (length)?  I am guessing somewheres around 110cm?   very clean installation
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redboat219

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Re: U-141 Scratch Built Type 2D
« Reply #17 on: September 24, 2009, 03:58:27 am »
great set-up you got there.  :-)) :-)) :-))
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polycell

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Re: U-141 Scratch Built Type 2D
« Reply #18 on: September 25, 2009, 06:15:12 pm »
Love it!!!
Well done that man
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boatmadman

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Re: U-141 Scratch Built Type 2D
« Reply #19 on: September 25, 2009, 10:37:27 pm »
Desi,

Great build. A question, well 2 questions, the pump, is it one of those multi diaphragm type pumps?

You mentioned propel gas, is that the airbrush bottled air?

Ian
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Desi

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Re: U-141 Scratch Built Type 2D
« Reply #20 on: September 28, 2009, 03:03:59 pm »
Hi Ian,
Yes, the pump, is it one of those multi diaphragm type pumps from

http://www.caswellplating.com/

That is air brush propellant, or air duster
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sheerline

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Re: U-141 Scratch Built Type 2D
« Reply #21 on: October 01, 2009, 08:59:29 pm »
Excellent work Desi, nice to see a Type2D built from the ground up as it is not a common model. Good to see you chose the 2D and didn't take the easier way out by building it's predecessors.  I love the hull shape of the Type2.
Lot of work gone into that boat by the looks of things.
Chris
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