Not a 12-cylinder engine, a triple-turbo 12-rotor engine. A 15.7-liter rotary engine. This is insane, and so is Rob Dahm.

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 ...

Rob Dahm, of the same name's YouTube channel, is still working away on one of his most ambitious projects to date - the 12-rotor engine, a behemoth and a labor of love. It has enjoyed a lot of ...

Unless, apparently, you're rotary wizard Rob Dahm: then you can slap a turbocharged single-rotor Wankel in there, and add power while actually cutting weight. Dahm's latest project is to swap an ...