You hear endless myths about the Mazda RX-7, from breathless praise of its “magic” to horror stories about blown apex seals.

WASHINGTON, Sept 10 (Reuters) - The head of European planemaker Airbus (AIR.PA), opens new tab said novel open-rotor technology being tested by engine maker CFM International offers promising ...

As Airbus prepares to fly the open rotor engine concept on the A380, the company's CEO weighs the pros and cons of using the jet for future test flights.

Airbus chief executive Guillaume Faury has made clear he expects the European airframer’s next narrowbody jet will be 25% more efficient than today’s models – and he is banking on CFM International’s ...

Airbus has hailed the success of an initial round of windtunnel testing using a scaled version of CFM International’s RISE open-rotor engine mounted to a section of wing as part of early aircraft ...

Wind-tunnel testing of multiple configurations of sub-scale blades for GE's Open Rotor engine is being conducted to identify the optimum blade design for the engine's two counterrotating stages of ...

Wankel engines first saw use in production cars as early as 1964 — and not even in a Mazda, but rather in an NSU. That little single-rotor powerplant quickly evolved into the more typical two-rotor ...

A Wankel engine is a type of rotary engine, but not all rotary engines are Wankel engines. Wrapping your mind around this idea will help you to better understand the similarities as well as the ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...