A wing leading-edge modification has been developed, applicable at present to single-engine light aircraft, which produces stabilizing vortices at stall and beyond. These vortices have the effect of fixing the stall pattern of the wing such that the various portions of the wing upper surface stall nearly symmetrically. The lift coefficient produced is essentially constant to very high angles of attack above the stall angle of the unmodified wing. It is hypothesized that these characteristics will help prevent inadvertent spin entry after a stall. Results are presented from recent large-scale wind-tunnel tests of a complete light aircraft, both with and without the modification.


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    Titel :

    A method for localizing wing flow separation at stall to alleviate spin entry tendencies


    Beteiligte:
    Feistel, T. W. (Autor:in) / Anderson, S. B. (Autor:in) / Kroeger, R. A. (Autor:in)

    Kongress:

    Aircraft Systems and Technology Conference ; 1978 ; Los Angeles, CA


    Erscheinungsdatum :

    1978-08-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :




    Reduction of Stall-Spin Entry Tendencies Through Wing Aerodynamic Design

    Kroeger, R. A. / Feistel, T. W. | SAE Technical Papers | 1976


    Alleviation of Spin-Entry Tendencies through Localization of Wing-Flow Separation

    T. W. Feistel / S. B. Anderson / R. A. Kroeger | NTIS | 1981


    Alleviation of Spin-Entry Tendencies through Localization of Wing-Flow Separation

    Feistel, T. W. / Anderson, S. B. / Kroeger, R. A. | NTRS | 1981