GE fired up world's largest commercial jet engine using 3Dprinted metal parts

GE fired up world's largest commercial jet engine using 3Dprinted metal parts
General Electric this month started testing the largest jet engine ever built, at its wooded test site near Peebles, Ohio. The new engine, the GE9X, is more efficient, more powerful, and more heat resistant than its predecessors. It's also made with 3D …
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