That’s why [The Stone Donkey] built this pirate cannon prop complete with firing sounds. The simplicity of the design is pretty brilliant. Three segments of PVC and five fittings make for a ...
[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life ...