During modification of a Gulfstream III test bed aircraft for an experimental flap project, all roll spoiler hardware had to be removed to accommodate the test article. In addition to evaluating the effects on performance and flying qualities resulting from the modification, the test team had to determine crosswind limits for an airplane previously certified with roll spoilers. Predictions for the modified aircraft indicated the maximum amount of steady state sideslip available during the approach and landing phase would be limited by aileron authority rather than by rudder. Operating out of a location that tends to be very windy, an arbitrary and conservative wind limit would have either been overly restrictive or potentially unsafe if chosen poorly. When determining a crosswind limit, how much reserve roll authority was necessary. Would the aircraft, as configured, have suitable handling qualities for long-term use as a flying test bed. To answer these questions, the test team combined two typical flight test techniques into a new maneuver called the sideslip-to-bank maneuver, and was able to gather flying qualities data, evaluate aircraft response and measure trends for various crosswind scenarios. This paper will describe the research conducted, the maneuver, flight conditions, predictions, and results from this in-flight evaluation of crosswind capability.


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    Titel :

    Reverse Engineering Crosswind Limits - A New Flight Test Technique


    Beteiligte:
    T. A. Asher (Autor:in) / T. L. Willliams (Autor:in) / B. K. Strovers (Autor:in)

    Erscheinungsdatum :

    2013


    Format / Umfang :

    38 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Reverse Engineering Crosswind Limits - A New Flight Test Technique?

    Asher, Troy A. / Willliams, Timothy L. / Strovers, Brian K. | NTRS | 2013


    Large aircraft test flight method based on crosswind data and crosswind monitoring device

    JIANG YU / LI WEIPENG / CAO ZHENYU et al. | Europäisches Patentamt | 2023

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