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.

With a small compressor all it takes is an air hose, some fittings, and an inflator, and you can pump up any tire (and anything else inflatable) in just a few seconds. There are also tools ...

With a small compressor all it takes is an air hose, some fittings, and an inflator, and you can pump up any tire (and anything else inflatable) in just a few seconds. There are also tools ...