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Piston help

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: Crna Legija » Tue Sep 07, 2010 12:58 am

crazyhockeywako wrote:It can wobble a little bit.


the piston should not wobble at all it should be nearly air tight. All you should have is one thick peace of rubber for a sealing face, also make sure that your piston face and seat are square
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Unread postAuthor: crazyhockeywako » Tue Sep 07, 2010 11:10 pm

The piston works great now no air leaks from 10-125 psi. I rebuilt the sealing face. and added a front washer.
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Unread postAuthor: crazyhockeywako » Tue Sep 07, 2010 11:11 pm

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Unread postAuthor: crazyhockeywako » Tue Sep 07, 2010 11:12 pm

Thanks to everyone for all of your help.
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Unread postAuthor: jackssmirkingrevenge » Wed Sep 08, 2010 12:17 am

Image

To the right of the photobucket screen or below the picture in albul view there is a line that says "direct link", copy and paste this and put it between (img) tags.
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Unread postAuthor: saefroch » Wed Sep 08, 2010 3:19 pm

Awesome. Congrats on your working piston. We're here to help.
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Unread postAuthor: Gun Freak » Wed Sep 08, 2010 4:04 pm

Glad its working, I would use stop nuts so that the nuts dont move back, but other than that it looks ok.
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Unread postAuthor: crazyhockeywako » Thu Sep 09, 2010 6:10 pm

i have a lock washer on it, so i think it will be fine. thanks for the help
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Unread postAuthor: jimschouster » Sat Sep 11, 2010 9:19 am

Could you make it out of something solid? it may be cocking side to side so it does not seal, here is mine (3" red part) but it seals every time

http://i569.photobucket.com/albums/ss13 ... r/gun2.jpg
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Unread postAuthor: LovableAirGuns » Fri Oct 01, 2010 5:02 am

Hey for the gasket does have to be a soft rubber, hard rubber or kinda soft kinda hard?
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Unread postAuthor: jackssmirkingrevenge » Fri Oct 01, 2010 5:21 am

LovableAirGuns wrote:kinda soft kinda hard?


Yeah... kinda :roll: :D

Think vehicle tyre inner tube, that sort of consistency ;)
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