Stuff on this site
Some Really good Potato Gun web pages
Master Potato Cannon Page
This page was written for imformational purposes, not for you to go out and build one of these "Spud Guns". I won't encourage you to not build one but who am I to stop you. Even though these cannons aren't Illegal (to my knowledge any way)they are very dangerous if used improperly, so please treat them with the respect that they deserve!
-Nick
Backyard Ballistics (Classic site)
Spud Gun Technology Center
How NOT to build an Air Cannon
P.S. Don't be stupid with these things! If you go and kill your neighbors stupid dog (which I have Been tempted to do)you risk the chance of illegalising our toys and screwing over every other person out there that has a Spud Gun that is not stupid in their actions. So i will leave you with this: DON'T BE STUPID WITH SPUD GUNS!
How to build an inexpensive Potato Cannon