Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The ...

It sounds more like an old-school radial aircraft engine than anything that should power an automobile of any kind.

Rob Dahm is refining the unique 15.7-liter Y12 rotary engine, originally designed by Tyson Garvin as a twelve-rotor ...

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 ...

We're talking about a 12-rotor Wankel engine, given to Dahm by a man named Tyson Garvin. The engine displaces 15.7 liters but is enclosed in a big block the size of a Chevy V8. It's relatively ...

Talk of radically different designs always leads to a single name – Wankel. The Wankel rotary engine, most notably used in automobiles by Mazda, has been around since the late 1950’s.