It is made for potatoes and it can also fire tennis balls. I believe he fires a potato near the beginning of the video (at least one).. You can find plans online. Google Spud-launcher. |
It was, notice the massive air chamber and pressure guage? When I was doing the paintball thing I knew plenty of guys with similiar paint grenade luanchers and mortars that would have put that "Monster Potato Gun" to shame. Here is an example of what these fellas had.  Direct hits were a bitch,  Bruises the size of your hand. |