GE Aviation plans to start testing this summer on a high pressure compressor (HPC) rig for the GE9X engine designated for the Boeing 777X. The HPC test rig will occur in Massa, Italy. “GE plans on spending $200 million in 2013 on maturation testing of technologies for the new GE9X engine,” the company said in a statement. GE Aviation GM-GE90 program Bill Millhaem added, “This new equipment will enable the test cell to accommodate the 27-to-1 pressure ratio of the HPC, ...

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