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Piston in copper and brass updated 05/03/08 Damage pics

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: that_guy » Thu Dec 04, 2008 10:04 am

how did you get 400 psi?
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Unread postAuthor: Ragnarok » Thu Dec 04, 2008 10:12 am

that_guy wrote:how did you get 400 psi?

First line in the first post - kind of hard to miss:
The stirrup pump I built has been driving me up the wall. Significant pressure just sitting there with nothing finished to use it in.
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: Gippeto » Thu Dec 04, 2008 10:15 am

I have a regulated CO2 setup, and I have a home made stirrup pump that I used with this.

http://www.spudfiles.com/forums/easy-st ... 13277.html

CO2 is less effort, but air is SUBSTANTIALLY faster. :)

Edit: Beaten once again! :lol:
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