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 ...

Robert Maddox is a builder and seller of real pulse jet engines with powers up to 1000 pounds… and if that’s not a cool enough hobby, he’s also bolted one to a bicycle. The 50-ish pounds of thrust ...

Wave Engine Corporation, a company founded by the University of Maryland, has developed a modern digitally controlled pulse jet engine for drones and shipped the first batch to customers. The engine ...

Our SoundClip series continues with listener Larry Cottrill, who provides audio of a homemade pulse jet engine. It's very loud and very simple, and it can't be muffled. Therefore, it is impractical ...

The Islamic State (IS) group attempted to develop high-speed drones powered by pulse jet engines like those used in V-1 bombs dropped on the UK during World War Two, an investigation has found. A ...