For CFM International, the decision whether to stay with a turbofan or move to an open-rotor engine to power the next generation of single-aisle airliners will come sooner rather than later. The ...

Chinese scientists proposing a new concept for a hypersonic engine with improved continuous thrust, lower start-up speeds and enhanced performance have inserted a ramjet into a rotary detonation ...

OPEN ROTOR: HOW DOES IT WORK? An open rotor engine is essentially a turboprop with two rows of blades, or propellers, which can operate efficiently at higher speeds than a conventional turboprop. The ...

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 ...

The traditional piston engine has garnered the vast majority of attention and application in the internal combustion age, but there was another: the Wankel rotary engine. German engineer Felix Wankel ...

A radical new egg shaped jet engine could dramatically cut fuel consumption and change air travel, it has been claimed. French aero engine maker Safran unveiled its new 'open rotor' prototype and said ...

We may receive a commission on purchases made from links. Mazda and NSU tend to get all the credit for Wankel rotary engines in cars, but Mercedes also did quite a bit of Wankel development, using the ...

Mazda's famous rotary engine finally made its big return last year, but it wasn't under the hood of a replacement for the RX-8. In fact, it wasn't even in a performance car at all. Instead, it served ...

Jacob is a senior automotive journalist and editor with over a decade of experience in the industry. Before joining CarBuzz in 2023, he served as Chief Editor and Senior Car Reviewer at AutoDeal and ...

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 ...

How many rotors are too many? While most Mazda engine builders and tuners wouldn’t dare to build an engine with more than four rotors, a company out of New Zealand has built a six-rotor engine for the ...