Several aero-acoustic suppression devices have been evaluated which were considered feasible for installation on an F-111 aircraft for flight test evaluation. The most promising modification consists of a saw tooth spoiler mounted at the leading edge of the weapon bay. This device would be erected to a 90 degree position during the bay doors opening sequence. The spoiler is folded flush with the fuselage during all other flight conditions. Wind tunnel tests have shown that this spoiler improves the aero-acoustic environment within the open weapon bay and improves the weapon separation characteristics over the Mach range of .95 to 1.3 investigated during the drop test phase. (Author)


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    Title :

    Evaluation of F-111 Weapon Bay Aero-Acoustic and Weapon Separation Improvement Techniques


    Contributors:
    R. L. Clark (author)

    Publication date :

    1979


    Size :

    150 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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