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4 posters
willie skipjack no2
willte- Guest
- Posts : 119
Join date : 2013-12-15
Age : 72
Location : lossiemouth morayshire
Tom(ADMIN)- AMS Forum Owner
- Posts : 3026
Join date : 2010-11-05
Age : 64
Location : Nevada, USA
That's a big cylinder...
willte- Guest
- Posts : 119
Join date : 2013-12-15
Age : 72
Location : lossiemouth morayshire
not that big when you see the battery 2x6voltx4amp jell type takes the tube down in the water for a nice draft
Tom(ADMIN)- AMS Forum Owner
- Posts : 3026
Join date : 2010-11-05
Age : 64
Location : Nevada, USA
Mine has a 24" long, 80mm diameter cylinder, with a water pump ballast system.
Richard
Richard
david f- AMS Treasurer
- Posts : 2409
Join date : 2010-11-10
Age : 74
Location : Cumbria
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
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- Guest
- Posts : 119
Join date : 2013-12-15
Age : 72
Location : lossiemouth morayshire
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 s
mall jobs also a milling machine to fit it
mall jobs also a milling machine to fit it
david f- AMS Treasurer
- Posts : 2409
Join date : 2010-11-10
Age : 74
Location : Cumbria
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
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- Guest
- Posts : 119
Join date : 2013-12-15
Age : 72
Location : lossiemouth morayshire
where do you get your blanks from david
david f- AMS Treasurer
- Posts : 2409
Join date : 2010-11-10
Age : 74
Location : Cumbria
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
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- Guest
- Posts : 119
Join date : 2013-12-15
Age : 72
Location : lossiemouth morayshire
ever tried Vaseline when cutting it nothing sticks to it , and wipe it clean with white spirit or paint thinner
willte- Guest
- Posts : 119
Join date : 2013-12-15
Age : 72
Location : lossiemouth morayshire
motor
and gearbox
and gearbox
Tom(ADMIN)- AMS Forum Owner
- Posts : 3026
Join date : 2010-11-05
Age : 64
Location : Nevada, USA
End caps by MMB?
nigele(ADMIN)2- AMS Chairman
- Posts : 1107
Join date : 2010-11-06
Age : 70
Location : Braintree, Essex
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- Guest
- Posts : 119
Join date : 2013-12-15
Age : 72
Location : lossiemouth morayshire
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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