He started refining his pulse jet engines, which he fashions from aluminum and stainless steel in his workshop. He's sold about 50 of them. The smallest are used to power model airplanes.

Start with a well-proven design, like Cottrill's focused wave pulse jet engine. This is a valveless pulse jet designed so that the combustion chamber consists of nothing but a long cone flowing ...

In this video, we're getting hands-on in the garage to start a pulse jet engine. Watch the behind-the-scenes fun, challenges, and the tech wizardry that goes into creating these machines!

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 foremost builder of vehicles powered by pulse ...

Pulse jets are more commonly used in drones ... were the main vehicles used by The Munsters. The original model featured a 350 horsepower, Ford Mustang V8 engine.

Instead of being antagonized by the New Zealand and United States governments, [Bruce] spends most of his time now working on pulse jet projects. He’s flown quite a few modified R/C planes and ...

In order to accomplish this mission, Colin Furze put together a valveless pulse jet, a propulsion device sometimes used by hobbyists to power model aircraft and other remote-controlled vehicles.

He needs something a little more extreme. That's why he plans to strap himself to a four-engine pulse jet rocket, ride it to around 25,000 feet and then jump off. You might remember Bob from our ...

The pulse jet engine (pictured here, with air intake unit at right) was found at a hospital in Mosul, Iraq in September 2017 The Islamic State (IS) group attempted to develop high-speed drones ...