[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, but what ...

Not to be outdone with hair spray powered PVC cannons, [William] created an even cooler device: a cannon powered by dry ice. Once dry ice is loaded into the pressure vessel, a burst disk is placed in ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Potato cannon, spud gun, tater tosser, starch resource deployment facilitators… They ...

Metro police chief orders ban on PVC cannons - December 29, 2006 | 12:00am Director Reynaldo Varilla, chief of the National Capital Region Police Office (NCRPO), ordered yesterday a ban on the use of ...