Maddox doesn’t build rockets. He builds pulse-jet engines. There’s a difference. As for the crazy part—that may be true.

He’s flown quite a few modified R/C planes and has an electronic Engine Control Unit for his jets. One of his most impressive projects is the 100 pound thrust pulse jet that was later attached ...

Oregon inventor Robert Maddox gave the Dragula coffin car - made famous in the 1960s children’s TV show The Munsters - a 21st century facelift by adding two pulse jets. The engine in the ...

"It'll pop your ear drums if you aren't wearing protective gear. That's a drawback to the engines." No kidding. Pulse jet technology dates to the beginning of the 20th Century when they were ...