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Photograph of an engine mechanic checking instrumentation prior to an investigation of engine operating characteristics and thrust control of a large turboprop engine with counter-rotating propellers under high-altitude flight conditions in the 20-foot-dianieter test section of the Altitude Wind Tunnel at the Lewis Flight Propulsion Laboratory of the National Advisory Committee for Aeronautics, Cleveland, Ohio, now known as the John H. Glenn Research Center at Lewis Field. August 25th 1949. Photo Credit: NASA/GRC [0003-0702-2515-2464] by 0003
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Keywords
aircraft propulsion, altitude wind tunnel, engine, engine mechanic, engines, glenn research center, instrumentation, nasa, propeller, python engine, turboprop, turboprop engine, wind tunnel, wind tunnels
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