GE Aviation’s GE9X engine begins flight tests
GE Aviation’s GE9X turbofan engine, which will power Boeing’s new 777X aircraft, completed its first flight test under the wing of GE Aviation’s 747 flying testbed in Victorville, California. GE said the first flight marks the start of a flight test campaign that is slated to last through most of 2018. The program is under time pressure as the company originally hoped to start flight tests around the start of the year. Testing was delayed when GE discovered a design issue with the lever arms, which actuate the rows of variable stator vanes that modulate flow through the engine’s 11-stage high pressure compressor. In addition, the lever arm issue delay was compounded by the late emergence of maintenance issues with the flying testbed’s CF6-80C2 engine that were uncovered during a routine A-check. <br/>
https://portal.staralliance.com/cms/news/hot-topics/2018-03-15/general/ge-aviation2019s-ge9x-engine-begins-flight-tests
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GE Aviation’s GE9X engine begins flight tests
GE Aviation’s GE9X turbofan engine, which will power Boeing’s new 777X aircraft, completed its first flight test under the wing of GE Aviation’s 747 flying testbed in Victorville, California. GE said the first flight marks the start of a flight test campaign that is slated to last through most of 2018. The program is under time pressure as the company originally hoped to start flight tests around the start of the year. Testing was delayed when GE discovered a design issue with the lever arms, which actuate the rows of variable stator vanes that modulate flow through the engine’s 11-stage high pressure compressor. In addition, the lever arm issue delay was compounded by the late emergence of maintenance issues with the flying testbed’s CF6-80C2 engine that were uncovered during a routine A-check. <br/>
