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Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Small Internal Combustion Engine Testing for a Hybrid-Electric Remotely-Piloted Aircraft

Small Internal Combustion Engine Testing for a Hybrid-Electric Remotely-Piloted Aircraft

Hardcover

Technology & EngineeringAviation

ISBN10: 1025087860
ISBN13: 9781025087863
Publisher: Hutson Street Press
Published: May 22 2025
Pages: 126
Weight: 0.79
Height: 0.38 Width: 6.14 Depth: 9.21
Language: English

Efficient operation of a hybrid-electric propulsion system (HEPS) powering a small remotely-piloted aircraft (RPA) requires that a controller have accurate and detailed engine and electric motor performance data. Many small internal combustion engines (ICEs) currently used on various small RPA were designed for use by the recreational hobbyist radio-control (R/C) aircraft market. Often, the manufacturers of these engines do not make accurate and reliable detailed engine performance data available for their engines. A dynamometer testing stand was assembled to test various small ICEs. These engines were tested with automotive unleaded gasoline (the manufacturer's recommended fuel) using the dynamometer setup. Torque, engine speed and fuel flow measurements were taken at varying load and throttle settings. Power and specific fuel consumption (SFC) data were calculated from these measurements. Engine performance maps were generated in which contours of SFC were mapped on a mean effective pressure (MEP) versus engine speed plot. These performance maps are to be utilized for performance testing of the controller and integrated HEPS in further research.

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Mengistu, Isseyas H.

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Technology & Engineering