A YouTuber builds a pulse jet engine from sheet metal and mounts it on a swing that spins in full circles on his bush ...

Add Yahoo as a preferred source to see more of our stories on Google. When you decide to build a homemade, liquid-propane-powered pulse jet engine in your garage, a few noise complaints are to be ...

A Sydney maker builds a boat powered by two homemade pulse jet engines and tests it on the water until one engine burns out ...