Unveiled in 1973, the OCR 1000 was the world's first production motorcycle to feature an automotive-derived, twin-rotor engine, and its creators dubbed it the finest, most technologically advanced ...

Ever in fine form, our favorite adrenaline junkie has taken on ANOTHER project involving speeds fit to blister your bunions – and this time, the hurtle to the horizon involves rotary power. Brian ...

How many years does it take for a dream to become reality? Well, I guess the answer depends on how big that dream is. My father always tells me that it's important to keep making small steps towards ...

A report from TopSpeed has us musing about the future of the motorcycle community when it comes to rotary-powered engines – or if there’s even a potential for a resurgence in the cards at all. There ...

The world’s first Wankel-engined motorbike was the air-cooled Hercules W-2000. Fellow German DKW, England’s Norton and Dutch Van Veen also produced rotary motorbikes, yet on the Japanese side, only ...

The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons rising and falling, a crankshaft spinning, a steam-age architecture ...

Chris Bruce has worked in the automotive industry since 2011 and has written thousands of stories about cars, motorsports, and motorcycles in that time. He has written for Autoblog, Autoviva, CarFax, ...

Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks oddly empty. That is the charm of the rotary engine: a compact lump of metal that trades pistons and valves for a spinning ...