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- Wed Jan 21, 2009 3:13 pm
- Forum: Pneumatic Cannons
- Topic: Doing some testing, Soon.... updated 02-10-2009..Damage pics
- Replies: 31
- Views: 6200
I just built a golf ball cannon similar to yours, and fired it for the first time Sunday. The gun is a coaxial with a diaphragm valve, using a 3/8" QEV for the pilot. Barrel is 70 inches 1.5" SDR 26 sleeved inside of 2" sch 40. Chamber is 41" 4" sch 40. Powered with CO2. All shots were at 25 degrees...