[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 ...

At 200 feet per second. We need to take a minute and say [Elliot]’s gun is stupidly unsafe. He used PVC pipe to hold air pressure, so that may… explode one of these days. Also, the AA ...

This step-by-step guide shows you how to safely cut, remove, and replace cast iron pipe with modern PVC, using the right tools and techniques for a smooth upgrade. Val Kilmer, 'Top Gun' and ...