Method based on consideration of perfectly flexible helicopter rotor blades; exact solutions of fairly simple character presented for blade of uniform section and blade having uniformly decreasing sectional area down to zero at tip; solutions bring out various important points, in particular, effect of blade root conditions, especially position of flapping hinge.
Natural vibration frequencies of flexible rotor blades
Aircraft Eng
Aircraft Engineering ; 30 , n 357
1958
Article (Journal)
English
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Natural Vibration Frequencies of Flexible Rotor Blades
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