Author： Ben-Ari R. Rosen A.
Publisher： Academic Press
ISSN： 0022-460X
Source： Journal of Sound and Vibration, Vol.200, Iss.5, 1997-05, pp. : 605-620
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Abstract
A mathematical model of a helicopter rotor track and balance is used in order to study optimal balancing and tracking, and their relationship. It is shown that perfect tracking does not necessarily lead to optimal balancing. Furthermore, cases of perfect tracking, may be accompanied by relatively high vibrations. Tracking or balancing at a certain air speed may also be accompanied by relatively large vibrational loads at other air speeds. Thus, it is recommended to perform simultaneous balancing at different air speeds. The present investigation shows how the new model can be used for optimal balancing of helicopter rotors.
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