A brief wind-tunnel study was conducted in the Langley 12-foot Low-Speed Tunnel to determine reaction control-jet effectiveness and some associated aerodynamic characteristics of a 15 percent scale model of the General Dynamics E-7A STOVL fighter/attack aircraft concept applicable to hover and transition flight. Tests were made with the model at various attitude angles in the tunnel test section and at various tunnel airspeeds for a range of control-jet nozzle pressure ratios. Eight reaction control-jets were tested individually. Four jets were at the design baseline locations providing roll, pitch, and yaw control. Comparisons of measured data with values calculated using empirical methods were made where possible.


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    Title :

    Low-Speed Wind-Tunnel Study of Reaction Control-Jet Effectiveness for Hover and Transition of a STOVL Fighter Concept


    Contributors:
    D. R. Riley (author) / G. H. Shah (author) / R. E. Kuhn (author)

    Publication date :

    1989


    Size :

    39 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English







    A Parametric Approach to Hover Balance Analysis of Two STOVL Fighter Concepts

    Hahn, Andrew S. / Samuels, Jeffrey J. | SAE Technical Papers | 1986