SpudFiles

omfg!!!!!!!! holy wow!!!!!!! this cannon is effing awesome!!!!!!!! i tested it inside today first with a bunch of tooth picks!! tooth picks went through 2 layers of cardboard(box)and then stuck into a peaice of plywood!!!!then i just used a was of paper and it went through the cardboard box the whole way through!!!!!!!!!!then one more test i did i tested it at 70 psi and with paper it put a huge huge dent in a piece of sheet metal!!!!!!!!!

yea, same here lots of power. i used a ball valve before a piston. ROCKS!!!

what do you mean you used a ball valve as a piston? you mean as the exaust? how did you do that?

he said he used a ball valve before a piston