Accession Number : AD0684036
Title : HELICOPTER ROTOR NOISE ANALYSIS.
Descriptive Note : Independent research and development technical rept. Dec 66-Mar 69,
Corporate Author : BOEING CO MORTON PA VERTOL DIV
Personal Author(s) : Schaeffer,E. G.
Report Date : 22 DEC 1966
Pagination or Media Count : 65
Abstract : A preliminary analytical method for predicting whether rotor blade bang will occur is described and correlated with data from tandem rotor helicopters. The operating limits which will cause banging of a single rotor are discussed. (Author)
Descriptors : (*HELICOPTER ROTORS, *PROPELLER NOISE), ROTOR BLADES(ROTARY WINGS), HELICOPTERS, MATHEMATICAL PREDICTION, VORTICES
Subject Categories : Helicopters
Distribution Statement : APPROVED FOR PUBLIC RELEASE