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by illusionistpro
Sat Jul 29, 2006 1:11 pm
Forum: Pneumatic Cannons
Topic: Modding A Sprinkler Valve
Replies: 191
Views: 279266

what would be the reason for using a 3/4" over a 1"? For that matter should you just make a 2" or 3" piston type valve instead? It seems that a 1" valve on a cannon with a 3" chamber doesnt make much sense since it bottle necks the pressure but then releases it back to typically a 2" barrel.