The report presents the results of a test program that was conducted to evaluate the performance and stability and control characteristics of the XV-11A aircraft. The aircraft is a research vehicle designed to perform basic aerodynamic flight research in the areas of high-lift boundary layer control, propeller thrust augmentation, low drag geometry, and STOL aircraft handling qualities. The aircraft incorporates a number of unique design features including glass fiber reinforced plastic construction; a distributed-suction, high-lift boundary layer control system; a variable-camber wing; and a shrouded propeller. The test data show that the aircraft has sufficient performance and stability and control for conducting low-speed aerodynamic research. Handling qualities research would be limited by the high longitudinal and directional control force gradients. Although low stall speeds are demonstrated, the increment in lift due to the boundary layer control system is less than anticipated. Aircraft performance is somewhat limited by propeller deficiencies due to high blade loading. (Author)


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    Titel :

    XV-11A Flight Test Program


    Beteiligte:
    L. J. Mertaugh (Autor:in) / S. C. Roberts (Autor:in) / N. S. Kiran (Autor:in)

    Erscheinungsdatum :

    1971


    Format / Umfang :

    118 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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