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 ...

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 ...

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 ...

Rolls-Royce has emphasised its scepticism over the open-rotor concept, as it unveils its ducted UltraFan 30 candidate for future narrowbody programmes. Although Airbus is encouraged by the potential ...

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 ...

At Airbus' 2025 annual press conference, the planemaker's CEO, Guillaume Faury, spoke about the future plausibility of using the gigantic A380. In response to a question by Simple Flying, Faury ...

WASHINGTON (Reuters) -The head of European planemaker Airbus said novel open-rotor technology being tested by engine maker CFM International offers promising efficiencies and reductions in emissions ...

Airbus is really excited about an open-rotor engine. Boeing not so much. Here's why. Don't miss a single episode of the award-winning Check 6. Subscribe in Apple ...

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 ...

The Wankel rotary engine was made popular by Mazda, who built rotary style engines from in production cars such as the RX-7, RX-8, and others from 1967 to 2012. The Wankel rotary engine is unique in ...

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 ...