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NASA - Energy Efficient Engine Program (1978-85)

Graham1973

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I've located a further report by Pratt & Whitney into their proposed Energy Efficient Engine, it discusses integration into then (1978) current airliner designs and also gives two model designations for the engines (STF505M-7C & STF505M-7D).

See: Energy Efficient Engine: Propulsion System-Aircraft Integration Evaluation (Topical Report, Mar. 1978 - Sep. 1978)

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790008679_1979008679.pdf
 

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