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Helicopter noise: Blade slap. Part 2: Experimental resultsBlade slap encountered in rotary wings and its effect on helicopter performance are reported. The results of various individual flight tests are presented and, where possible, correlated with one another. Observations from the subjective evaluation of blade slap are included, together with a modified form of the blade slap factor (BSF) which can be used as a design criteria.
Document ID
19720011376
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Leverton, J. W. (Southampton Univ.)
Date Acquired
August 6, 2013
Publication Date
March 1, 1972
Publication Information
Publisher: NASA
Subject Category
Aircraft
Report/Patent Number
NASA-CR-1983
Report Number: NASA-CR-1983
Accession Number
72N19026
Funding Number(s)
CONTRACT_GRANT: NGR-52-025-002
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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