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Comparison of three thrust calculation methods using in-flight thrust dataThe gross thrust of an experimental airplane was determined by each method using the same flight maneuvers and generally the same data parameters. Coefficients determined from thrust stand calibrations for each of the three methods were then extrapolated to cruise flight conditions. The values of total aircraft gross thrust calculated by the three methods for cruise flight conditions agreed within + or - 3 percent. The disagreement in the values of thrust calculated by the different techniques manifested itself as a bias in the data. There was little scatter (0.5 percent) for the thrust levels examined in flight.
Document ID
19810021573
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Hughes, D. L. (NASA Hugh L. Dryden Flight Research Center Edwards, CA, United States)
Date Acquired
September 4, 2013
Publication Date
July 1, 1981
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
H-1141
NASA-TM-81360
Accession Number
81N30111
Funding Number(s)
PROJECT: RTOP 534-02-14
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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