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Gun with air source straight from compressor. 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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Gun with air source straight from compressor. Help?

Unread postAuthor: reptile_004 » Tue Jun 04, 2019 9:29 pm

Currently I'm using a blow gun similar to this going into the end of the barrel https://images.app.goo.gl/y2FtCMweh9LHSmon6
with a dual threaded thing on the left side and an air hose plug thing on the right. Is there a more effective valve to use to get more power?

I would also appreciate any other tips for guns using a compressor as the source.
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Re: Gun with air source straight from compressor. Help?

Unread postAuthor: farcticox1 » Wed Jun 05, 2019 4:13 am

Everything I make uses a compressor as air source :D I always have an on board air chamber (except the vortex :shock: ) and feed that from the compressor with a 4mm airline that is very light. I try and make the chamber at least 4x the barrel volume (math needed :o ) A QEV valve is probably the easiest to get more power with if going with a single shot, but I get good results with air pilot valves as well. Depends on the barrel size, bigger bore will need a bigger valve, I prefer airsoft and 0.177, although I just made a 40mm :?

This is a pretty simple layout for compressed air. You will need a QEV and 3/2 valve (with 3 ports, some only have 2) trigger valve.

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