Noise: "Pulse jets can damage your hearing permanently ... explosion gases are replaced with fresh air and fuel mixture throughout only a small part of the chamber. Deflagration: This is the ...

He builds pulse-jet engines. There’s a difference ... When I show up at his house in small-town Oregon with the L.A.-based ...

Jumping from an airplane is much too tame for Bob Maddox. 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 ...

"A small number of key individuals and businesses ... faster unmanned aerial vehicle (UAVs) powered by pulse jet engines". The report said a "fully constructed pulse jet engine" measuring more ...

He relies on a mixture of diesel and propane to get the jets roaring near-instantaneously. Pulse jets are perhaps the most popular type of DIY jet engine, largely for their ease of construction.

[Finlay] took some inspiration cues and parts from another jet engine he had on hand that was powering his toaster. This is a pulse jet design, which is welded together from laser-cut pieces of ...