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using valve exhaust with grav mag

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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Will it work?

Maybe, if the design is improved.
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Total votes : 1
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using valve exhaust with grav mag

Unread postAuthor: FishBoy » Tue Nov 11, 2008 5:29 pm

Ok, I just got this idea into my head today. I was thinking about both a paintball barrel and a way to use the exhaust of my gun & I came up with this crazy idea. Basically, a hose is connected to the exhaust, which goes to a small piston (bolt?) behind a gravity magazine. When the gun is fired, the bolt prevents another paintball from falling into the barrel.
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ExhaustMag.JPG
This is what I am thinking.
ExhaustMag.JPG (14.69 KiB) Viewed 258 times
PBmag.jpg
My gun. (and to satisfy JSR's festish...)
"You polish a turd, it's still a turd"

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Unread postAuthor: jackssmirkingrevenge » Tue Nov 11, 2008 5:47 pm

teh feets! Aaaaargh!

but yes, good idea, in some ways similar to the blow forward bolt but using exhaust gas that would otherwise be wasted, ingenious. I see no reason why it shouldn't work well with a bit of work.
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Unread postAuthor: FishBoy » Tue Nov 11, 2008 5:54 pm

sweet, may sound corny but that means a lot coming from you (I might even make it out of epoxy...)


& I'm glad you like my feet :D
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Unread postAuthor: grumpy » Tue Nov 11, 2008 6:13 pm

similar to this. fixed it
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Last edited by grumpy on Tue Nov 11, 2008 6:25 pm, edited 2 times in total.

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Unread postAuthor: Hotwired » Tue Nov 11, 2008 6:55 pm

Not too obvious at first :P

But that also uses an air blast while firing to close off the magazine. It doesn't use pilot gas because that one uses a trigger that physically holds back the pressure til right back, it uses the main air blast as it goes along to the pb.
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