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Mini Hybrid Chamber Type M Copper

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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Mini Hybrid Chamber Type M Copper

Unread postAuthor: spudkilla224 » Mon Jan 12, 2009 6:42 pm

Hello i am doing research on hybrid cannons and i was using HGDT and i'm using a 3/4" "Type M" Copper Chamber as my combustion chamer, it says that it will have a combustion pressure of 408 PSI.

Can Type M Copper Handle 408 PSI?
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Unread postAuthor: pizlo » Mon Jan 12, 2009 7:40 pm

Yes, just make sure your solder joints are very well done.
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Unread postAuthor: starman » Mon Jan 12, 2009 7:43 pm

That's mighty small chamber. In any case, I would probably go with Type L, but M should hold it.
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Unread postAuthor: daccel » Mon Jan 12, 2009 8:22 pm

As I was referred, so I shall refer: Copper tube handbook.

I've used 3/4 L at 8.5x without a problem, but make sure you check out the specific size/type you end up using at the above link.
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