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.
Kobalt’s Quiet Tech portable air compressor is a good choice if you want to avoid the ear-splitting shock of a pump kicking ...
A nail gun using compressed air was introduced several years before ... My gas tool is ready to go the moment I open the case and place it in my hand. The same is true for all of the electric ...