The air and ground resonance instabilities of hingeless rotor helicopters are examined on a relatively broad parametric basis including the effects of blade tuning, virtual hinge locations, and blade hysteresis damping, as well as size and scale effects in the gross weight range from 5,000 to 48,000 pounds. A special case of a 72,000 pound helicopter air resonance instability is also included. (Modified author abstract)


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    Titel :

    Open and Closed Loop Stability of Hingeless Rotor Helicopter Air and Ground Resonance


    Beteiligte:
    M. I. Young (Autor:in) / D. J. Bailey (Autor:in) / M. S. Hirschbein (Autor:in)

    Erscheinungsdatum :

    1974


    Format / Umfang :

    34 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch