Pressure data at 90 percent blade radius for a helicopter main rotor with RC-SC2 blade sections was obtained. Concurrent measurements were made of vehicle flight state, performance and some rotor loads. The test envelope included hover, level flight from about 65 to 144 knots, climb and descent, and collective fixed maneuvers. Airfoil pressure distributions obtained in flight agree with those theoretical calculations for two dimensional, steady flow.


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    Titel :

    A Flight Investigation of Blade-Section Aerodynamics for a Helicopter Main Rotor Having RC-SC2 Airfoil Sections


    Beteiligte:

    Erscheinungsdatum :

    1982


    Format / Umfang :

    163 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch