The factors involved in high-angle-of-attack directional divergence phenomena for the EA-6B ECM aircraft have been investigated in NASA-Langley wind tunnel facilities in order to evaluate airframe modifications which would eliminate or delay such divergence to angles-of-attack farther removed from the operational flight envelope of the aircraft. The results obtained indicate that an adverse sidewash at the aft fuselage and vertical tail location is responsible for the directional stability loss, and that the sidewash is due to a vortex system generated by the fuselage-wing juncture. Modifications encompassing a wing inboard leading edge droop, a wing glove strake, and a vertical fin extension, have significantly alleviated the stability problem.


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    Titel :

    High-angle-of-attack stability and control improvements for the EA-6B Prowler


    Beteiligte:

    Erscheinungsdatum :

    1987-01-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




    High-angle-of-attack stability and control improvements for the EA-6B Prowler

    JORDAN, FRANK / HAHNE, DAVID / MASIELLO, MATTHEW et al. | AIAA | 1987


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