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2 questions for new CO2 powered gun

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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2 questions for new CO2 powered gun

Unread postAuthor: absinthe » Sun Sep 13, 2009 8:17 pm

i am planing to build a co2 hammer valve gun that uses "soda stream" bottles directly screwed into the system (i have a few and i can refill em myself)

i am planning to use all brass fittings on the pressure side (threaded unions etc no pipe) and i have been looking for any pressure ratings and have not had any luck so far..

does anyone have/seen a pressure rating chat they could sent or link me to?

also i am looking for a good 6mm barrel (I'm going to use BB's as they are fairly easy to get)

any ideas for a BB barrel in Australia?
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Unread postAuthor: MrCrowley » Sun Sep 13, 2009 8:49 pm

any ideas for a BB barrel in Australia?

Check hobby shops or personally I use the metal tube from a weedsprayer, I found one that fits BB's pretty well and you can get a good 40cm straight section from the tube.
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Unread postAuthor: absinthe » Mon Sep 14, 2009 10:34 am

thanks i have read you talking about that before :P what i really need is pressure ratings will brass fittings handle unreged co2?
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