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Syncronizing dual 2" porting valves

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: Hotwired » Wed Dec 13, 2006 6:00 am

Hayseed, a 4" valve is a hell of a lot bigger than two 2" valves.

Diameter does not equal area.
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Unread postAuthor: squeaks » Wed Dec 13, 2006 8:38 am

Yep, hotwired has got it on the money. It would actually take 4-2" valves to equal the same as one 4". Since a 4" valve would be super expensive you're best bet would either make a pneumatic piston for a butterfly valve or, as I said earlier, make two 3" valves.
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