Fixed leading-edge devices were investigated for alleviating the low speed pitch-up and longitudinal instability of a 74 deg delta wing model. In wind-tunnel tests, Pylon Vortex Generators were shown to be highly effective, compared to leading-edge fences and slots, in raising the pitch-up angle of attack from 8 deg to 28 deg. The subsonic drag penalty was negligible.


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    Title :

    Subsonic pitch-up alleviation on a 74 deg delta wing


    Contributors:

    Publication date :

    1981-07-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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