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The Full Auto Thread

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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The Full Auto Thread

Unread postAuthor: iknowmy3tables » Fri Jan 30, 2009 8:52 am

I think we should start a thread to list and generalize the different passive designs used in hope of producing full auto. generally what I mean by passive is anything with a circuit board is out.
I think they can all be categorised into the following categories
piston clide's semi/full auto golfball cannon or a home made popoff relief valve
sprinkler/qev a poppet piloted qev, a sprinkler valve triggered by a pressure switch
hammer valve blowforward or blowback poppet
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Unread postAuthor: psycix » Fri Jan 30, 2009 8:59 am

QEV/piston piloted by a slide check for a simple semi-auto, add a ram for full. Drawback is that this design has nothing to prevent the chamber from dumping out all air pressure.

And I just posted a theory to conserve that air in your chamber:
The shutoff piston.
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Unread postAuthor: jackssmirkingrevenge » Fri Jan 30, 2009 12:04 pm

Have a look at this thread.
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Unread postAuthor: iknowmy3tables » Fri Jan 30, 2009 3:44 pm

oh yeah that thread
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