The results of a flight research program to evaluate the effects of certain lateral-directional handling qualities are reported and discussed. The evaluation program was designed to assess the acceptability of variations in Dutch roll dynamics and aileron-yaw coupling for the low speed landing approach task. The effects of a reduction in static directional stability on the high Mach number cruise task were also evaluated. A variable stability T-33 was used for conducting these evaluations. Thirty-three different sets of low speed, and fifteen different sets of high speed lateral-directional handling qualities were evaluated by an experimental test pilot. The evaluation pilot comments and a numerical rating were given for each configuration as to its suitability for the mission or task involved. Identification of the stability parameters from in-flight records was made using airplane rudder doublet responses and the Equations-of-motion Technique. An analysis was made of the pilot ratings and pilot comments, and these in turn were correlated with the lateral-directional stability parameters measured. (Author)


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    Titel :

    In-Flight Evaluation of Certain Lateral-Directional Handling Qualities of High Performance Aircraft


    Beteiligte:
    E. H. Smith (Autor:in) / D. A. DiFranco (Autor:in)

    Erscheinungsdatum :

    1965


    Format / Umfang :

    69 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch