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silencer volume

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: williamfeldmann » Thu Sep 27, 2007 10:32 pm

Ahh, that makes sense. Next question....

Can the silencer be made in such a way as to be removed? What I was thinking is say 3 inch pipe with 3 inch to 1.5 inch reducers that are ground out to slip over the pipe. The barrel will always have ports in it , but the actual silecer can be pulled off when not needed and slipped on when it is needed.

Does it need to be airtight? Do I need Orings or do I need to glue it on?

And, since I happen to have DWV laying around from my bathroom redo this summer (at least enough for 3 or 4 full silencers like I described) can I use that for silencer material, otherwise it is just going to waste?
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Unread postAuthor: jackssmirkingrevenge » Thu Sep 27, 2007 10:40 pm

Can the silencer be made in such a way as to be removed? What I was thinking is say 3 inch pipe with 3 inch to 1.5 inch reducers that are ground out to slip over the pipe. The barrel will always have ports in it , but the actual silecer can be pulled off when not needed and slipped on when it is needed.


Why not, as long as...

Does it need to be airtight? Do I need Orings or do I need to glue it on?


The point of a silencer is to reduce air pressure before it escapes through the muzzle, so any air leakage other than the muzzle is going to proprtionally reduce the silencer's effectiveness. it's the same reason we don't poke holes one the outside of the can ;)

And, since I happen to have DWV laying around from my bathroom redo this summer (at least enough for 3 or 4 full silencers like I described) can I use that for silencer material, otherwise it is just going to waste?


I'm comfortable using DWV for silencers, I've made them out of the stuff for 400 psi pneumatics (albeit more than ten times larger than the chamber volume) and never had any sort of failure.
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