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Empirical expressions for estimating length and weight of axial-flow components of VTOL powerplantsSimplified equations are presented for estimating the length and weight of major powerplant components of VTOL aircraft. The equations were developed from correlations of lift and cruise engine data. Components involved include fan, fan duct, compressor, combustor, turbine, structure, and accessories. Comparisons of actual and calculated total engine weights are included for several representative engines.
Document ID
19720005136
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Sagerser, D. A. (NASA Lewis Research Center Cleveland, OH, United States)
Lieblein, S. (NASA Lewis Research Center Cleveland, OH, United States)
Krebs, R. P. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 2, 2013
Publication Date
December 1, 1971
Subject Category
Propulsion Systems
Report/Patent Number
E-6191
NASA-TM-X-2406
Accession Number
72N12785
Funding Number(s)
PROJECT: RTOP 721-03
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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