Development history of free turbine opposed shaft configuration, built by Canadian Pratt and Whitney Aircraft Co; performance growth from initial to production ratings, durability development, systems development, and flight testing; engine has been installed in Hiller 1099 helicopter, Lockheed CL 595 rigid rotor helicopter, Piasecki 16H unloaded rotor helicopter; De Havilland DHC-5, Twin Otter research airplane, and Kongsberg-Vapenfabrikk boat; performance.
Development of T-74 (PT6) turboprop/turboshaft engine
SAE -- Paper
SAE Meeting ; 1963
1963
8 pages
Aufsatz (Konferenz)
Englisch
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