General Electric Completes Phase 1 Testing of Second XA100 Engine

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Artist’s rendering of airflow on GE’s XA100 adaptive cycle engine that the company is developing for the U.S. Air Force’s Adaptive Engine Transition Program (AETP). The company has developed a pair of motors for AETP. (General Electric)

General Electric (GE) has completed Phase 1 testing of its second XA100 adaptive cycle engine that it is developing as part of the U.S. Air Force (USAF) Adaptive Engine Transition Program (AETP).

Phase 1 testing, which began Aug. 26 at the company’s altitude testing facilities in Evendale, Ohio, allowed the company to continue collecting performance data validating engine capacity, according to a company press release on December 15. Phase 1 testing allowed GE to better characterize engine operation by collecting and analyzing an immense amount of test data.

Company spokesman Cole Massie said on Dec. 15 that the data validated the performance of the engine and its components against GE and USAF expectations. He declined to provide the speed and duration of the Phase 1 testing.

Phase 1 testing has enabled the company to begin Phase 2 testing at the USAF’s Arnold Engineering Development Complex (AEDC) in the first quarter of 2022. Phase 2 is expected to last approximately three to four months, as previous test campaigns.

Massie said there are no plans for a third phase of XA100 testing. Comprehensive flight envelope testing at AEDC is the cornerstone of AETP testing. Once that’s completed, it represents the completion of the USAF program, Massie said.

Pratt & Whitney is also participating in AETP with its XA101 engine. The company had not responded to a request for comment at the time of posting.

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General Electric (GE) has completed phase 1 testing on its second XA100 adaptive cycle motor that it is …

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