Rob Dahm has been in the process of building and breaking his 4-rotor RX-7 for a long time now but this might be the most glorious failure of them all. In his first video for a new Top Gear YouTube ...

The Great Pyramid of Giza has been the tallest man-made structure in the world for more than 3,800 years, at 481 feet (146.6 meters) high. This Wonder of the Ancient World is still a major attraction ...

Rob Dahm's RX-7 is a staple of Car Internet. The four-rotor swap project is now in its sixth year, and with a recent widebody design introduced at SEMA, it seems it's coming close to an end, as ...

It seems like forever ago since Rob Dahm’s started his four-rotor AWD Mazda RX-7 project. What originally started life as a 3-rotor speed machine evolved into a do-it-all racecar for the road with one ...

The year was 2016 and I'd just come back to theSuper Street/MotorTrendworld after a few years away, and one of the things I looked forward to in my return was the upcoming SEMA show that year. There ...

Over time, the Hoonigan YouTube channel’s notorious ‘This versus That’ series has morphed into a traditional drag racing story but now has resorted to a novel approach: everything, from trucks to ...

Sure, the rotary engine may be an oil-eating machine filled with Nazi-designed spinning tortilla chips that turn money into nightmares, but god, I love them. My first car was an RX-7, and while, ...

The guy who is responsible for the Wankel engine with the most rotors is now playing with one with the smallest number of rotors. YouTuber Rob Dahm has a single-rotor looking positively tiny in the ...

Wankel engines first saw use in production cars as early as 1964 — and not even in a Mazda, but rather in an NSU. That little single-rotor powerplant quickly evolved into the more typical two-rotor ...

While Rob Dahm’s garage is no stranger to monstrous rotary engines, including four-rotor units cranking out more than 1,000 horsepower, this one is mind-bending. Here we have a massive, ...