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Divergent Vibration in Helicopter Tail Rotors
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English
Abstract
Helicopter tail rotors are subject to many types of divergent vibration. A classification of these various types is presented, and a description given of those which have been actually observed. The means used by manufacturers to predict and avoid such vibrations include various calculations in the design stage and special test stands for development work. Substantiation tests accomplished on these stands enable flight tests to be undertaken with a tail rotor free from divergent vibrations.
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Authors
Citation
Normand, Y., "Divergent Vibration in Helicopter Tail Rotors," SAE Technical Paper 650088, 1965, https://doi.org/10.4271/650088.Also In
References
- Young, M. I. “A Theory of Rotor Blade Motion Stability in Powered Flight.” J. American Helicopter Society July 1964
- Gates, C. A. Piziali, R. A. Duwaldt, F. A. “Comparison of Theoretical and Experimental Flutter Characteristics for a Model Rotor in Translational Flight.” IAS Paper No. 63-91 January 1963