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first coaxial plans

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: sandman » Wed Jan 02, 2008 7:20 pm

:facepalm:
duh i knew that
maybe i should just go back and stick with rocketry
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Unread postAuthor: jean » Wed Jan 02, 2008 7:48 pm

yes i´m a noob but when you use a endcap as piston change the side where the sealing face is.
like this..
http://www.spudfiles.com/forums/files/piston_203.jpg
the pilot volume is smaller, barrel is longer and chamber is bigger.

jean
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Unread postAuthor: BigJon » Wed Jan 02, 2008 8:14 pm

I guess that would work but it might restrict airflow a little.
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Unread postAuthor: Easterbunny » Wed Jan 02, 2008 9:30 pm

wait am i goanna need a bumper?
if so will a pice of foam work?
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Unread postAuthor: sandman » Wed Jan 02, 2008 10:22 pm

people like to use pool noodles

but if your using foam it has got to be some tough foam
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