How to build the best air cannon!

I show you how to build a piston valve compressed air cannon. This style has superior acceleration.
Supplies needed:
5' length of 4" Sch 40 pressure rated PVC pipe
5' length of 2" Sch 40 pressure rated PVC pipe
4" to 2" PVC adapter
3" to 2" PVC adapter
3" PVC end cap
4" PVC female threaded inspection port
4" PVC inspection port male threaded cap
3/4" NPT 2" threaded pipe
3/4" Full pass ball valve
1/4" NPT 3" threaded pipe
1/4" NPT street elbow
1/4" full pass ball valve
1/4" NPT to quick connect air adapter
2" rubber cap with pipe clamp
This all came to just over $60 at our local home store.

Видео How to build the best air cannon! канала Flynntastic