Fighter jet engines are complex machines that enable aircraft to reach incredible speeds. The modern fighter jet is defined by its engine, which accelerates a tremendous volume of air rearward that it ...

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 ...