PW4084 Endurance Test Includes Three ETOPS Simulations
The 3,000-hour endurance test completed Saturday by the Pratt&Whitney PW4084 turbofan (DAILY, Jan. 31) included three simulated ETOPS (Extended Twin Operations) diversions in which the engine ran for three hours at maximum continuous thrust, as if it were powering a twin-engine 777 with an engine...
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