You don’t need any of that chemical nonsense to just have fun, though, as this compressed air cannon from [OtisLiu153] demonstrates. The build uses PVC pipes for both the barrel and the air tank.

An air rifle is a gun that fires pellets using the force of compressed air or other gases. Though a shot by an air rifle would not kill the animal, it is painful to the animal. However, fired at close ...

these accidents include a black powder potato gun[1], and welding too close to a PVC pipe containing compressed air[2]. Compressed air stored in a PVC pipe is never a proximal cause in any accide ...