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how is air released from this

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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how is air released from this

Unread postAuthor: beastmode986 » Sat Apr 07, 2012 3:59 pm

http://www.zdspb.com/media/tech/animations/prolite.gif
i cant really tell how the air is released from this valve,it seems very simple can someone please explain thanks.
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Unread postAuthor: mobile chernobyl » Sat Apr 07, 2012 4:34 pm

the front poppet valve hits a beam that crosses the center of the main tube, and provides paintball propellant gas. The rear one that the hammer strikes supplies the "blow back" gas. look a little closer :wink:
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Unread postAuthor: beastmode986 » Sat Apr 07, 2012 5:23 pm

thanks for the help
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Unread postAuthor: i-will » Tue Apr 10, 2012 11:05 pm

I made this once years ago. Super simple after you balance the hammer spring to cock right.
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Unread postAuthor: beastmode986 » Wed Apr 11, 2012 3:42 pm

it looks like a somewhat tricky build i wish i had a animation or something of what the valves internals looked like,something with detail. how did you make yours?
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Unread postAuthor: Crna Legija » Thu Apr 12, 2012 1:31 am

beastmode986 wrote:it looks like a somewhat tricky build i wish i had a animation or something of what the valves internals looked like,something with detail. how did you make yours?


its pretty simple the little purple bits are seals when the grey part moves forward the valve at the end that is very similar to a bike tyre valve is opens because of a rod in its way, its shown in the animation as a dot. then after a bit the back one opens and blows the hammer back for a nother shot.

its not a hard system but will only be effective at high pressure.
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Unread postAuthor: beastmode986 » Thu Apr 12, 2012 7:29 pm

oooo ok i see now yeah its really simple thanks!
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