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diaghram wont seal

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: jon_89 » Tue Nov 06, 2007 8:49 pm

i got it to work once and it was with my shock pump. i over pumped it and it burst but i cant remember what i did?
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Unread postAuthor: noname » Tue Nov 06, 2007 9:06 pm

spudgunnerwryyyyyyyyyyyyyyyy wrote:How close is the phram in size to the id of the pipe. Get the gap really small. like under a millimeter


Ever made a diaphragm valve? You obviously have no idea what you're talking about.

Jon89, pictures would help a load. The diaphragm itself is probably fine; getting it to work relies on patience and how you set it up inside the gun.
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Unread postAuthor: jon_89 » Tue Nov 06, 2007 9:13 pm

so what is the best set up?
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Unread postAuthor: jon_89 » Tue Nov 06, 2007 9:24 pm

i got it to seal now but air is not getting in the chamber. i have a small hole for eqaulization.
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Unread postAuthor: noname » Tue Nov 06, 2007 9:27 pm

That doesn't make sense. Is the diaphragm inside a union?
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Unread postAuthor: jon_89 » Wed Nov 07, 2007 11:11 pm

no it is in a female adapter and a plug.
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Unread postAuthor: noname » Mon Nov 12, 2007 7:23 pm

Then how come air can't flow around the diaphragm into the chamber?
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Unread postAuthor: jon_89 » Tue Nov 13, 2007 1:41 am

i have no idea thats why i am asking.
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