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 ...

We're starting off the week with a mechanical marvel: a homemade dragster with dual Rolls-Royce jet engines that's been 17 years in the making – and could potentially hit 400 mph. Canadian auto ...