The report covers the flight test of a three-axis hydrofluidic stability augmentation system for a UH-1-type helicopter. The design goal was to improve the performance of the aircraft, without stabilizer bar, in the speed range of 60 to 120 kn. The system was installed in a UH-1C helicopter. The helicopter's hydraulic power supply was used to power the FSAS controlers and servoactuators. The system improved the performance of the UH-1C helicopter in all three axes by increasing the damping, increasing the phugoid mode period, and producing a constant vehicle rate proportional to cyclic stick input. (Author)


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    Titel :

    Three-Axis Fluidic Stability Augmentation System


    Beteiligte:
    M. E. Ebsen (Autor:in) / H. D. Ogren (Autor:in) / D. H. Sotanski (Autor:in)

    Erscheinungsdatum :

    1971


    Format / Umfang :

    170 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch