FAA certifies world’s largest jet engine for commercial use

FAA certifies world’s largest jet engine for commercial use


According to General Electric, the GE9x’s 16 composite fan blades are the lowest number it has made for a commercial jet engine.

General Electric

Boeing’s new 777X cleared a major hurdle in moving passengers after the Federal Aviation Administration certified the enormous engine that was developed to power the wide-body aircraft. General Electric announced Monday that the FAA officially blessed the GE9x, the largest airliner ever built.

“There is no substitute that can match the size, performance and fuel efficiency of the GE9X,” said John Slattery, CEO of GE Aviation, in a statement. “This engine will provide our airline customers with unmatched value and reliability.”

Boeing did not publish its own statement in the news, but in a tweet response to GE On Monday it was said: “Great work and congratulations to your team!”

The stats on the 90x are impressive. The fan consists of 16 blades and is 134 inches in diameter – almost as wide as one Boeing 737 Hull – and delivers 110,000 pounds of thrust on launch, or about twice the power of two engines on an early one 747.

According to GE, the GE9x will be the quietest GE engine ever produced while reducing fuel consumption by 10%. Parts of the engines are made of composite materials, including some turbine blades that are 3D printed by the Italian company Avio Aero.


A Ge9x was tested on a 747 by replacing one of its normal engines.

General Electric

The GE9x also advanced the development of the 777x, the first commercial aircraft with flip-up wing tips. At the 2019 Paris Air Show, Boeing said excessive engine wear had forced the company to postpone the 777x’s maiden flight.

The airliner, which depending on the configuration can carry between 384 and 436 passengers, finally flew for the first time in January. Although it was originally planned to carry passengers next year, commissioning is now planned for 2022.

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