Not as often as Rotary Stifler, aka Rob Dahm, though, and especially not since someone gave him a homemade 12-rotor marine engine to try to get running. Yes, 12 rotors. It's a lot to contend with ...

Enter Rob Dahm, with his quite-frankly-insane creation built by Tyson Garvin currently holding the undisputed heavyweight title within the Wankel community: a massive, 12-rotor, tri-turbocharged ...

One of the leaders of that cult is Rob Dahm, known for building a 1,200 horsepower four-rotor all-wheel-drive FD RX-7, and he’s building the biggest rotary engine ever: a 12-rotor marine engine.

While Rob Dahm’s garage is no stranger to monstrous ... Here we have a massive, triple-turbocharged, 12-rotor engine that revs to 9,000 rpm and produces the most outrageous noise I’ve ever ...

Over a decade ago, Ken Block broke the Internet when he released his famous Gymkhana videos. It takes more than that these days for jaws to drop, and a reduced attention span isn't helpful, either.

Rob Dahm During the Y12 test-fire, Dahm was able to reach 6 PSI (0.41 bar) of boost at 7,700 rpm at partial throttle with the turbos spinning at 47,000 rpm – far below their max speed of 88,000 rpm.

Rob Dahm's RX-7 Rob Dahm Is Putting A Rotary in an IndyCar Watch Rob Dahm Drive His 4-Rotor RX-7 on the Road Garvin ... and the twin V-12 engine control systems presented some limitations.

At least, we thought that was the pinnacle. Because now rotary specialist Rob Dahm has his hands on the Y-configuration 12-rotor,15.7-liter, tri-turbo engine built for a speedboat, but never used ...