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dumb diphragm question

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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dumb diphragm question

Unread postAuthor: Bluetooth » Mon Aug 28, 2006 8:21 pm

Sorry this is a really dumb question and your probably going to tell me to look it up and i did and i didn't find anything so does a diaphragm need a spring behind it?
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Unread postAuthor: schmanman » Mon Aug 28, 2006 8:26 pm

no, the pressure alone is enough to seal the diaphram against the barrel.
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Unread postAuthor: noname » Mon Aug 28, 2006 8:54 pm

You only need a spring behind it if you're pressurizing the gun from the front of the diaphragm.
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Unread postAuthor: SpudStuff » Mon Aug 28, 2006 9:00 pm

Use the spring because it keeps the Diafram in place
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Unread postAuthor: noname » Mon Aug 28, 2006 9:09 pm

You don't need one. My coaxial works fine without one. I made the rubber circle a little bigger than the pipe so it fits with the edges curved back and friction holds it there.
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Unread postAuthor: turbohacker » Fri Dec 22, 2006 1:55 pm

yeah, first thing i do when modding a new valve is to take out the spring, you dont need it
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Unread postAuthor: MrCrowley » Fri Dec 22, 2006 2:01 pm

1:Dead topic
2:You have no idea what your talking about,they're not talking about sprinklers they're talking about diaphragms as valves.
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