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 ...

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 ...

The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

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 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 ...

PARIS, Feb 12 (Reuters) - French-US jet ⁠engine ⁠maker CFM is studying a ⁠more conventional "advanced ducted" engine design alongside its preferred option for ​a radical open-fan concept for future ...

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 ...

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 ...