The United States Army Aviation Engineering Flight Activity conducted an evaluation of two vibration measuring devices, the Chadwick-Helmuth VIBREX and the Scientific-Atlanta Vibration Signature Recorder, as flight test instrumentation. Durint the course of those evaluations, it was determined that the Dow Corning E2460-40-1 (redesignated E2978-46) ice phobic coating applied to the rotor blades of a UH-1H helicopter, did not induce undesirable vibrations. It was also concluded that the VIBREX may be used as test instrumentation if the frequencies of interest are already known, and the Scientific-Atlanta device provides good 'quick look' spectral vibration data. (Author)


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    Titel :

    Ice Phobics Blade Tracking and Comparison of Vibration Analysis Techniques


    Beteiligte:
    W. Y. Abbott (Autor:in) / F. L. Dominick (Autor:in) / S. Arthur (Autor:in)

    Erscheinungsdatum :

    1981


    Format / Umfang :

    64 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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