A flight loads program was conducted on a Sikorsky S61N transport helicopter. The following parameters were measured: airspeed, altitude, longitudinal cyclic stick position, collective stick position, two engine torques, normal acceleration at c.g., yaw angular rate, pitch angular rate, and RPM. The rate of climb, thrust coefficient, and tip speed ratio were calculated from the measured parameters. The data were grouped into flight segments of takeoff and ascent, cruise, descent, flare and landing, and hover. The data were sorted by parameter ranges and are presented as bivariate and trivariate tables showing the time spent in each data range. Histograms present some of the more significant aspects of the data, and exceedance and probability curves depict the vertical load factor and the pitch and yaw rates. (Author)


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    Titel :

    A Helicopter Structural Flight Loads Recording Program


    Beteiligte:
    F. J. Giessler (Autor:in) / J. F. Braun (Autor:in)

    Erscheinungsdatum :

    1966


    Format / Umfang :

    202 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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