Analytical phase worked out on basis of seven-degree-of-freedom system combining elastic deflections of rotor blades, shaft, pylon, and fuselage; frequencies and mode shapes, calculated for dynamic model helicopter and compared with measured values, show good agreement and indicate that frequencies and mode shapes can be adequately predicted if structural properties of helicopter are known.


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    Titel :

    Analytical and experimental determination of coupled natural frequencies and mode shapes of dynamic model of single-rotor helicopter


    Weitere Titelangaben:

    NASA -- Memo


    Beteiligte:
    Silveira, M.A. (Autor:in) / Brooks, G.W. (Autor:in)


    Erscheinungsdatum :

    1958


    Format / Umfang :

    42 pages


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :