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co-axial diaphragm

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co-axial diaphragm

Unread postAuthor: McThrust » Sun May 21, 2006 12:16 am

i have a question about a co-axial pneamatic im building. im not sure were to put the schrader adapter, i have heard that if u put it behind the diaphragm at the back of the gun then when u disconnect the pump it will fire. does it matter were i stick it? by the way it has a 2" chamber and a ".5 inch barrel.
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Unread postAuthor: SpudStuff » Sun May 21, 2006 12:28 am

the piolet and the input valve must be behind the diaphram. put a ball valve between the input valve and the chamber. open it to fill
close to disconnect the air open again to fire
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Unread postAuthor: Flinchy » Sun May 21, 2006 12:52 am

why doesn't anyone check the how-to's for these? :) look at the coaxial valve diagram, its pretty straight forward. but also, you need to pressurize the part opposite the chamber behind the piston, and then you need a pilot valve. when you pressurize that chamber, it will push the valve forward, when you open the pilot valve it will create a vacuum which will pull the piston back and release the rest of the pressure out the barrel. hope this helps :P
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Unread postAuthor: Benny » Sun May 21, 2006 2:33 am

disconecting the shauder valve should not fire the gun unless you have a very small pilot.
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