Mazda has never been scared to try something different, and its 1990s luxury coupe embodies this approach as well as any ...

We look at why Mazda introduced the three-rotor 20B Wankel rotary engine, and why it only ever saw service in the Cosmo coupe ...

The rotary engine is not quite dead. Despite it last making a sports car experience in the Mazda RX-8 just under a decade ago, the oddball triangular engine has an unbelievably strong cult following ...

Arizona's Rotor X wants to step up from being the world's biggest kit helicopter manufacturer and get into the eVTOL game, and to do so, it's put forth a design it claims is "dramatically more ...

You’re looking at a Mazzei Formula Five—or, rather, the Mazzei Formula Five. It’s a one-off supercar built by David Mazzei, combining a Superlite SL-C kit car body with a homemade five-rotor engine.

The Rotor INspider is a new highly-modular spider-based power meter system that is compatible across all disciplines. The power meter will work with any Rotor crankset that uses the brand’s OCP ...

Rotor syndrome is a rare and typically harmless genetic condition affecting the liver. It causes jaundice, mild yellowing of skin and eyes, and generally doesn’t need treatment. Rotor syndrome is a ...

October 28, 2008 Helicopters featuring coaxial rotor designs are not exactly new. The co-axial design of a pair of rotors mounted on the same mast and with the same axis of rotation, but turning in ...