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Note on the Reduction of Harmonic Vertical Hub Forces

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Abstract:

A brief look at a portion of the results obtained in a rather extensive study of rotor vibratory characteristics reveals that it may be possible to alleviate harmonic vertical hub forces by passive means. A pronounced reduction in these vibratory forces could be realized, in present generation helicopters, by a judicious choice of torsional rigidity and chordwise mass balance.

Document Type: Research Article

DOI: http://dx.doi.org/10.4050/JAHS.13.83

Affiliations: Aircraft Division, Kaman Corporation, Bloomfield, Connecticut

Publication date: April 1, 1968

More about this publication?
  • The Journal of the American Helicopter Society is the world's only scientific journal dedicated to vertical flight technology. It is a peer-reviewed technical journal published quarterly by AHS International and presents innovative papers covering the state-of-the-art in all disciplines of rotorcraft design, research and development. (Please note that AHS members receive significant discounts on articles and subscriptions.)

    Journal subscribers who are AHS members log in here if you are not already logged in.

    Authors can find submission guidelines and related information on the AHS website.

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