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)


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    A Helicopter Structural Flight Loads Recording Program


    Contributors:

    Publication date :

    1966


    Size :

    202 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    UH-1b Helicopter Flight Loads Investigation Program

    D. Chestnutt / L. Bartek / L. E. Clay et al. | NTIS | 1966


    CH-54a Skycrane Helicopter Flight Loads Investigation Program

    J. F. Braun / F. J. Giessler | NTIS | 1966


    A Structural Flight Loads Recording Program on Civil Transport Helicopters

    C. G. Peckham / F. J. Giessler / J. F. Braun | NTIS | 1966


    Predicting Helicopter External Loads during Maneuvering Flight

    Strope, K. / Gassaway, B. / Arsenal, R. et al. | British Library Conference Proceedings | 2008