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Keywords: Pratt-Whitney T-34 B-17 testbed NAN10-50.jpg A Boeing B-17 used as the testbed for the Pratt Whitney T-34 tuboprop engine In 1945 the U S Navy funded the development of a turboprop engine The T-34 was produced from 1951 to 1960 but never used in a U S Navy aircraft The best known user was the Douglas C-133 Cargomaster U S Navy Naval Aviation News October 1950 http //www history navy mil/nan/backissues/1950s/1950/Oct50 pdf 1950 USN PD-USGov-Military-Navy Pratt Whitney T34 Testbed B-17 |