Highlights of the Design and Development of a Modern Geared-Fan Jet Engine 720351

The Garrett AiResearch Model TFE731-2 two-spool geared-fan jet engine rated at 3500 lb thrust is being developed to fulfill the need for a modern small powerplant in the general aviation marketplace. Rigorous preliminary design cycle optimization studies and the subsequent incorporation of proven component aerodynamic designs have resulted in an efficient, simple, and compact turbofan engine configuration.
Highlights of the performance, mechanical reliability, and ecological aspects of the program are discussed. The engine is currently in the final stages of development with certification scheduled for April 1972.


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