Measurements during transition near ground showing change in magnitude of vibration with increasing rotor speed; pulsative nature of vibration during vortex ring state and reduction in vibration with increasing yaw angle discussed.


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    Title :

    Flight measurements of vibration experiences by tandem helicopter in transition, vortex-ring state, landing approach, and yawed flight


    Additional title:

    NACA -- Tech Note


    Contributors:


    Publication date :

    1958


    Size :

    20 pages


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English


    Keywords :