Aye the Kobalt regulator with 2 9oz tanks was $80 + tax. I had looked into a simple regulator with a remote line for this, but after it was all said and done the prices that I was looking at were close so I went with the immediate gratification angle since I could pick it up locally. With all the go...

This is my first cannon project and I wanted to take the opportunity to brag (of course) and to get some constructive criticism. This cannon was built to launch tshirts in short range areas such as small auditoriums and basketball gyms. All the PVC is 3" Sch 40 pressure rated painted satin black wit...