Tests were made in the Langley full-scale tunnel and included a study of the stability and control characteristics of delta- and swept-wing configurations from hovering through the transition to normal forward flight. Static force tests were also conducted to aid in the analysis of the flight tests. With conventional artificial rate stabilization, very smooth transitions could be made consistently with relatively little difficulty. Because of the lower apparent damping and a tendency to diverge in yaw, however, the swept-wing configuration was considered to be much more difficult to fly than the delta-wing configuration. With rate dampers off, both configurations were very difficult to control and the control power needed for satisfactory flights was substantially higher than with the rate dampers operating. (Author)


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    Title :

    Free-Flight Model Investigation of a Vertical-Attitude VTOL Fighter


    Contributors:
    W. A. Newsom (author) / E. L. Anglin (author)

    Publication date :

    1975


    Size :

    34 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English