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Advanced Propulsion Systems Studyfor General Aviation Aircraft

R. MountRotary Power International, Inc.Wood-Ridge, New Jersey 07075

ABSTRACT

This study defines a family of advanced technology Stratified Charge Rotary Engines (SCRE)appropriate for the enablement of the development of a new generation of general aviationaircraft. High commonality, affordability, and environmental compatibility are considerationsinfluencing the family composition and ratings. The SCRE family is comprised of three enginesin the 70 Series (40 in.3 displacement per rotor), i.e. one, two, and four rotor and two engines inthe 170 Series (105 in.3 displacement per rotor), i.e., two and four rotor. The two rotor enginesare considered the primary engines in each series. A wide power range is considered covering125 to 2500 HP through growth and compounding/dual pac considerations. Missionrequirements, TBO, FAA Certification, engine development cycles, and costs are examined.Comparisons to current and projected reciprocating and turbine engine configurations in the125 to 1000 HP class are provided. Market impact, estimated sales, and U.S. job creation (R&D,manufacturing and infractures) are examined.

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FIG. 4.1.2-1

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FIG. 4.1.8.1-2

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FIG. 4.1.8.1-3b

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National Aeronautics and Space AdministrationWashington, DC 20546 0001

July 2003

NASA CR2003-212334

E13929

WU538071000

NAS327642

Advanced Propulsion Systems Study for General Aviation Aircraft

R. Mount

Rotary Power International, Inc.

P.O. Box 128

Wood-Ridge, New Jersey 07075