I've been interested in building air cannons for a long time but I only recently discovered this site. I just finished building a cannon I think is pretty powerful. It uses an angle seat valve and has a max rated pressure of 300 psi (I've tested it up to 500 psi). I use a 3/2 way solenoid valve to o...

update:

Some test shots with pvc end caps against apples

https://www.youtube.com/watch?v=N6xgj2vuL9E&t=4s