We build a jet engine-powered merry-go-round out of questionably weak materials, then try to spin it up like it is a normal theme park ride. The plan is simple - fire up the engine, test the controls, ...

Watch the complete build of the WS15 turbofan engine model used on the J-20 fighter jet. This video walks through assembly ...

Bob Maddox’s stage name, Crazy Rocketman, is a misnomer. Maddox doesn’t build rockets. He builds pulse-jet engines. There’s a difference. As for the crazy part—that may be true. Maddox is the world’s ...