Well I thought of using a sprinkler valve. But I do not know if the valve will close after it shoots. I have had problems with those valves not wanting to close until all the air is out of the chamber. I was wanting to use a Paintball cylinder.. I guess i could use a separate chamber connected to th...

I have built two Pneumatic cannons and i love them. The only problem i have with them is the fact that i have to keep the air compressor going and having to keep filling it back up. Is there anyway to use air or C02 out of a paint ball gun to keep shooting without having to refill all the time.... I...

Ok so here is pic's of my first cannon ever. lol.. I don't have any damage pictures because the only thing i have right now to shoot out of it is spuds.. and sadly.. they don't do much. :roll: lol.. Tell me what you guys think. Chamber is 2" Barrel is 1.5" Modded 1" Sprinkler Valve. http://i81.photo...

i usually go to the local pawn shop around here where i live. bag full of balls (50 or more if you can fit them) for around 5 or 6 dollars.