Like the guy said earlier, paintball tanks, but HPA paintball tanks are even better, depending on what pressure your trying to get to. An HPA tank that can hold 3k psi is about 50 bucks, and an old school 20oz Co2 tanks is 20 at wall mart. Paintball tank adapters are cheep, and the co2 ones are main...

I know this is an old post, but i love physics and since i'm new i figured i could try to help out some. Everyone is right about coating the outside of pvc with fiberglass or carbon fiber. Also the heat that some fiberglass and carbon fiber two parts produce can weaken the pvc shell. As well as the ...

Need some help, which i think would be good for others, or maybe i haven't searched the forums hard enough. But is there anywhere either on this site or another that has a listing of spud gun competitions? I'm having a hard time finding them. Something along the lines of date times locations and ent...

I'm not new to potato cannons, but recently i've been wanting to find some information on spud gun competitions. Well Started surfing a little bit (of all the things i've ever looked up on the internet for some reason it never occurred to me to look up tater cannons) and i found a plethora of inform...