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Pneumatic Cartridge

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: HunterT » Sun Oct 02, 2011 3:03 am

jackssmirkingrevenge wrote:
There's a loud hiss of air when I trigger the pilot valve and I can feel the puff of air on my hand.


Are you using the syringe plunger as the piston seal? It sounds like it's dumping through the pilot. Did you make an equilisation hole? Is it bigger than a pin prick?


I do have an equilisation hole, however it is larger than a pinprick. I suspect that's my problem. I'll have to rebuild it again.
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Unread postAuthor: jackssmirkingrevenge » Sun Oct 02, 2011 3:07 am

If more air can flow through the equalisation hole than can flow through the schrader it will never work.
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Unread postAuthor: HunterT » Sun Oct 02, 2011 3:49 am

Alright, I guess it's time for a rebuild. Thanks for all the help everyone.
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