Step 1: Tools and PVC
2 Cans pvc cement, one primer one glue
1-1/4" pvc pipe
1-1/4" end cap
1-1/4" ball valve
1 schrader valve
Step 2: Cut Your PVC
2.Get your saw out and start cutting down the middle so you will have two halves
Step 3: Finshing Up
2.Now push your ball valve onto each side of the tube so the ball valve is the peanut butter and the two tubes are the bread.
3.Coat the end of the tube where you will put your end cap and push it on for 30 seconds same with the ball valve.
4.get the schrader valve and a drill you will be drilling a whole about the width of you schrader valve. So get the right bit, drill the whole close to the end cap, once you have drilled the hole insert the schrader valve from the inside make sure it is coated with super glue so it will have a tight seal.
5.Wait 24 hours for pvc cement to bond and your done try out your cannon.
Total Cost $10