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 ...

It's not uncommon to see some sort of jet engine on a car in cinema. Just about every iteration of the Batmobile has had a jet engine with an afterburner attached, giving it a boost when necessary, ...