Document ID: 19910010801 N (91N20114) File Series: NASA Technical Reports
Authors: Willis, Edward A. (NASA Lewis Research Center)  Mcfadden, John J. (NASA Lewis Research Center)
Journal Title: Aeropropulsion 1991  Page: 11 p 
Published: Mar 01, 1991

Abstract: 
The original goal in this program was to combine some of the better features of reciprocating and gas-turbine engines; thus, obtaining a superior powerplant for light aircraft and a host of related uses. Based on a series of engine and aircraft/mission studies conducted in the early 1980's, the rotary (Wankel) engine was perceived to have many of the desired features and was judged to be capable of considerable further development. At the time, existing automotive rotary engines had demonstratably high power outputs in a compact, smooth-running, and reliable package but were less fuel efficient than comparable reciprocating engines. Accordingly, the basic thrust of the NASA Rotary Engine Technology Enablement Program was (and is) to bring the rotary's efficiency up to the level of a comparably sized diesel, without sacrificing its other desirable features.

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