GE9X Commercial Aircraft Engine- The world's next great engine

• General Electric's Aviation division has put its new GE9X engine into the sky for the first time.
• GE is building the GE9X for Boeing's new 777x long-haul airplane.
• The engine will be the largest commercial jet engine available.

Tested for years. Confidence from day one.

With the most extensive technology maturation program in the history of GE Aviation, the GE9X engine will deliver world-class reliability and performance at service entry. But first, components undergo rigorous testing at specialized facilities around the globe.

General Electric has conducted its first flight test of the world's largest-ever jet engine.

The GE9X engine lifted off Wednesday, under the wing of GE Aviation's Boeing 747 flying test-bed in Victorville, California.

The test had been delayed from February after engineers discovered a design issue with the turbofan. GE described the issue as minor and that it would not delay the program.

The engine has approximately the same diameter as the fuselage of a Boeing 737 and houses a 134-inch-diameter front fan, that GE has claimed to be the largest of any commercial engine in production.

In a press release, Ted Ingling, the general manager of the GE9X program, said the test flight was "picture perfect," adding that final engine certification is expected in 2019.

GE is building the GE9X for Boeing's new 777x long-haul airplane, due to take to the skies in 2020. Almost 700 GE9X engines are already on order.

The most advanced technologies and materials

A blend of evolutionary and revolutionary designs will enable the GE9X to be the most fuel-efficient jet engine GE has ever produced on a per-pounds-of-thrust basis. It’s designed to deliver a 10% improved aircraft fuel burn versus the GE90-115B-powered 777-300ER and a 5% improved specific fuel consumption versus any twin-aisle engine available, plus achieve an approximate 10:1 bypass ratio, a 60:1 overall pressure ratio and margin to Stage 5 noise limits.

World-class reliability, right at service entry

The advanced materials, coatings and aerodynamics in the GE9X engine will be validated through GE Aviation’s most extensive technology maturation program ever. As part of this commitment to testing and design iteration, the GE9X will benefit from more than 14.5 million ground, flight and in-service cycles of cumulative experience across our engine portfolio, validating design and technology prior to service entry.

The years of testing will provide multiple proof points of the GE9X’s technical and manufacturing readiness from day one.

Engineered with the environment in mind

The GE9X will be one of GE’s latest ecomaginationSM qualified products. It will feature the same world-class reliability as the GE90-115B, with noise and NOx emissions well below anticipated regulation standards. Environmental performance highlights include:

• The quietest engine ever produced by GE* : 8db margin to Stage 5
• The lowest NOx emissions from a GE engine* : approximately 30% margin to CAEP 8

Source: GE Aviation, 2018

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