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In the August 2008 issue of Gear Technology, we ran a story (âGearbox Speed Reducer Helps Fan Technology for âGreenerâ Jet Fuel Efficiencyâ) on the then ongoing, extremely challenging and protracted development of Pratt & Whitneyâs geared turbofan (GTF) jet engine.
Todayâs ever-evolving global economic engine is, in many ways, a wonderful phenomenon; you knowâa rising-tide-lifting-all-boats, trickle-down-theory-of-economics dynamic at work.
Aircraft transmissions for helicopters, turboprops and geared turbofan aircraft require high reliability and provide several thousand hours of operation between overhauls. In addition, They should be lightweight and have very high efficiency to minimize operating costs for the aircraft.