GE Aviation has described initial test results for the high pressure compressor (HPC) module of the new GE9X engine destined for the Boeing 777X as “very promising.” The HPC module is approaching the 300-hour mark in the test program, having got underway last September at the GE Oil & Gas test facility in Massa, Italy. The module under test is a 90% scale model of the full-size HPC. A GE LM2500 engine generates more than 29,000hp to power it during the test. “The test ...

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