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 ...

To understand how a commercial jet's suspension works, it helps to first imagine a jet without suspension. The first aircraft landing gear systems were indeed that way. Engineers essentially welded ...