Generally speaking, developing a new aircraft takes a very long time. That means years, at times decades spent researching and testing everything that goes into a plane, making sure every bit of ...

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 ...