The preliminary results of two in-flight simulation programs on vertical axis rotorcraft handling qualities are presented. The parameters investigated in these studies were heave damping, thrust to weigh ratio (T/W), and a number of dynamic engine governor/rotor system models. Flight tasks include hover, hover maneuvering and nap of the Earth (NOE) flight. Evaluation of nine heave damping, thrust to weight ratio configurations provides the basis to suggest Level 1 Z sub w and T/W boundary values of -0.20 sec -1 and 1.08 respectively. These boundaries are compared with other relevant work on the topic. The engine governor/rotor system evaluation results tend to disagree with handling qualities predictions based on a vertical velocity shaping parameter.


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    Titel :

    Investigation of Vertical Axis Handling Qualities for Helicopter Hover and NOE (Nap of the Earth) Flight


    Beteiligte:
    S. W. Baillie (Autor:in) / J. M. Morgan (Autor:in)

    Erscheinungsdatum :

    1987


    Format / Umfang :

    9 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch