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The General Electric T64 is a free-turbine turboshaft engine that was originally developed for use on helicopters, but which was later used on fixed-wing aircraft as well. General Electric introduced the engine in 1964. The original engine design included technical innovations such as corrosion resistant and high-temperature coatings.〔(GE T64 page ), GlobalSecurity.org, accessed October 29, 2007.〕 The engine features a high overall pressure ratio, yielding a low specific fuel consumption for its time. Later versions of the engine produce from 3,925 to 4,750 shp (2,927 to 3,542 kW).〔(T64 turboshaft page ), GE Aviation, accessed October 29, 2007.〕 The engine was designed to accommodate different gearboxes or shaft drives, for helicopter or turboprop fixed-wing applications. The engine could be operated continuously at angles between 100 degrees upward and 45 degrees downward for STOL or helicopter applications. ==Variants== ;T64-GE-1: ;T64-GE-2: Turbo-shaft: at 5,200 rpm output ;T64-GE-4: Turbo-prop, reduction gearbox below centerline, airscrew brake and bolt-on control unit: at 1,160 propeller rpm.〔 ;T64-GE-6: Turbo-shaft: at 13,600 engine rpm.〔 ;T64-GE-7: ;T64-GE-7A: ;T64-GE-8: Turbo-prop, reduction gearbox above centerline, airscrew brake and bolt-on control unit: at 1,160 propeller rpm.〔 ;T64-GE-10: ;T64-GE-16: ;T64-GE-100: ;T64-GE-412: ;T64-GE-413: ;T64-GE-413A: ;T64-GE-415: ;T64-GE-416: - three on Sikorsky CH-53E Super Stallion〔"(About the GE T64 )" ''BGA-aeroweb'', May 17, 2012. Accessed: April 10, 2014.〕 ;T64-GE-419: ;T64-GE-423: ;T64-P4D: Turboprop ;CT64-820-1: ;CT64-820-2: ;CT64-820-3: ;CT64-820-4: ;T64/P4D: Sources: Vectorsite,〔(Sikorsky Giant Helicopters: S-64, S-65, & S-80 ). Vectorsite, 1 March 2008.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「General Electric T64」の詳細全文を読む スポンサード リンク
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