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,Model Boat Convention, Haydock Park, 26,27 August

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Barrow in Furness MBC Regatta, and Sub Day, Cumbria, 3rd Sept 2017

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» Model Boat Convention, Haydock Park, 26,27 August
Mon Aug 14, 2017 9:27 am by david f

» Frequency checker
Wed Aug 09, 2017 9:17 pm by hooper

» IJN Type KD3 fleet submarine or similar
Sat Aug 05, 2017 8:13 pm by offroad

» Norwich Model Sub Weekend 2017 - Norwich MBC
Sat Aug 05, 2017 9:33 am by david f

» British R class drawings
Thu Jul 20, 2017 3:13 am by TXGR

» British O,E and L class drawings
Thu Jul 20, 2017 3:00 am by TXGR

» Sheerline type 7c submarine. FOR SALE.
Tue Jul 11, 2017 9:43 am by david f

» Prop shaft seals
Mon Jul 03, 2017 9:44 am by david f

» Resurgam, Nordenfelts II & IV - George Garrett's works.
Sat Jun 24, 2017 2:04 pm by david f

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    willie skipjack no2

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    willte
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    willie skipjack no2

    Post  willte on Mon Dec 16, 2013 5:31 pm


    Tom(ADMIN)
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    Re: willie skipjack no2

    Post  Tom(ADMIN) on Mon Dec 16, 2013 5:40 pm

    That's a big cylinder...

    willte
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    Re: willie skipjack no2

    Post  willte on Mon Dec 16, 2013 6:02 pm

    not that big when you see the battery 2x6voltx4amp jell type takes the tube down in the water for a nice draft

    Tom(ADMIN)
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    Re: willie skipjack no2

    Post  Tom(ADMIN) on Mon Dec 16, 2013 6:17 pm

    Mine has a 24" long, 80mm diameter cylinder, with a water pump ballast system.

    Richard
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    david f
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    Re: willie skipjack no2

    Post  david f on Wed Dec 18, 2013 9:16 am

    Hi Willte,

    Interesting photos. I think I can see why you are looking for aluminium tubing of a specific size. Is it because you are using the same commercial end caps for different submarines?

    If so there is one skill/availability that would really help you with subs - Lathe access either your own or someone elses. End caps with O ring seals are not very difficult to make.

    David

    willte
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    Re: willie skipjack no2

    Post  willte on Wed Dec 18, 2013 5:20 pm

    I know DAVID if I was still working   i would have made my own  I am a lathe turner by trade  trouble is finding a lathe in Lossie with all the places that had one are now closed all was  fancy but the price for a big one and where to keep it bets me but I have this one for small jobs also a milling machine to fit it
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    david f
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    Re: willie skipjack no2

    Post  david f on Thu Dec 19, 2013 8:42 am

    Yes, where to keep a lathe is a big problem for most people. I inherited my Dad's Myford lathe but had nowhere to keep it.

    I now compromise with a US made Taig (Known as a Peatol in the UK) lathe which is not much bigger than yours. With riser blocks fitted (a lot of people forget about riser blocks) I can turn 110mm diameter polycarbonate without problems.

    David

    willte
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    Re: willie skipjack no2

    Post  willte on Thu Dec 19, 2013 10:47 am

    where do you get your blanks from david
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    david f
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    Re: willie skipjack no2

    Post  david f on Thu Dec 19, 2013 12:12 pm

    I have a large sheet of 6mm "smoked" tinted polycarbonate sheet which I found by the bins at the flat I used to live in. (I think it was probably used as a security screen somewhere. No, I didn't take it during an armed robbery!)

    I bond 3 layers of this together using Plastic Weld. (Drizzle the solvent on and quickly clamp it up. Best done outside.)

    Let it mature for a day and you have a good thick blank which is good for end caps.

    I'm sure you can buy thick polycarbonate but it will probably be expensive. Polycarbonate is my favourite material for lots of things - incredibly tough but easy to machine. I used to to have trouble cutting it with power tools - the cut sticks back together. Following Nigel's suggestion I now use one of new generation (and quite cheap) handsaws. An 11 teeth per inch (Stanley Fat Max from B & Q) one seems to work well.

    David

    David

    willte
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    Re: willie skipjack no2

    Post  willte on Thu Dec 19, 2013 4:38 pm

    ever tried Vaseline when cutting it nothing sticks to it , and wipe it clean with white spirit or paint thinner

    willte
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    Re: willie skipjack no2

    Post  willte on Thu Dec 19, 2013 5:48 pm

    motor and gearbox

    Tom(ADMIN)
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    Re: willie skipjack no2

    Post  Tom(ADMIN) on Thu Dec 19, 2013 6:10 pm

    End caps by MMB?
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    nigele(ADMIN)2
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    Re: willie skipjack no2

    Post  nigele(ADMIN)2 on Thu Dec 19, 2013 6:14 pm

    Just a word off warning Guy's,if you want to cut poly wet just use soapy water and a course blade,don't use thiners on poly it will attack it and over time it will craze,the same applies to thread lock(loctite etc).

    willte
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    Re: willie skipjack no2

    Post  willte on Thu Dec 19, 2013 7:00 pm

    that where I got them the same type that in the sea wolf, had a look in e-bay but what a price,but £10 for two at MMB

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