The parts used in this cannon are as follows: (1) 3' length of 3" diameter pressure rated PVC pipe (1) 3'2" length of 2" diameter pressure rated PVC pipe (1) 1/2" PVC ball valve (the cannon may ...
Make an improvised guide by screwing together scraps of 2×4. Saw using a handsaw with a blade that’s 3 or 4 inches wide. Note: Square pipe ends fit snugly into the fittings, allowing plenty of contact ...