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 ...

As far as he knows, Bob Maddox of Medford is the only maker and marketer of valved pulse-jet engines in the world. And strapped to one of his customer's fat-tire bicycles, the ear-splitting, ...

The tests he conducted have been extremely satisfying, as the bike reportedly does 0-60mph (98 km/h) in just five seconds, automotto.com reports. This unusual contraption is fitted with a single pulse ...

Khris is a Mechanical Engineer and a classic car aficionado, who adores his Jags, Alfas, and old-school American muscle cars. He keeps tabs on everything from super exotics like an old EB 110 to the ...

[Colin Furze] is at it again. This time he’s built a freaking jet-engine powered go kart. In case you’re not familiar with [Mr. Furze], he’s no stranger to building high-speed vehicles, like the ...