This report pertains to engine/airframe/drive train dynamic interface problems experienced by helicopters and the methodology used to avoid dynamic interface problems. The problem of low torsional frequency of the engine/airframe/drive train dynamic system that results from the design philosophy of using a stationary main rotor mast enclosing a separate 'floating' torque drive shaft is addressed. The use of supercritical shafts and vibration isolators are described and mobility methods to preclude engine/airframe vibration problems are discussed.


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    Titel :

    Engine/Airframe/Drive Train Dynamic Interface Documentation


    Beteiligte:
    J. F. Needham (Autor:in) / D. Banerjee (Autor:in)

    Erscheinungsdatum :

    1978


    Format / Umfang :

    61 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Engine/airframe/drive train dynamic interface documentation

    Richardson, D.A. / Alwang, J.R. | Tema Archiv | 1978


    Engine/Airframe/Drive Train Dynamic Interface Documentation

    D. A. Richardson / J. R. Alwang | NTIS | 1978


    Engine/Airframe/Drive Train Dynamic Interface Documentation

    H. W. Hanson / R. W. Balke / B. D. Edwards et al. | NTIS | 1978



    Airframe - Engine Interface

    Price, J. D. / Institution of Mechanical Engineers; Aerospace Industries Division | British Library Conference Proceedings | 1992