Five studies were performed under contract for concept definition of the Integrated Technology Rotor/Flight Research Rotor (ITR/FRR) Project. The purpose of these studies was to examine numerous hub design concepts with the potential of meeting the technical goals and specifications set for the ITR/FRR. Thirty-three concepts were proposed, including 21 bearingless designs. Although the level of effort in these studies was not equivalent to a preliminary design, many important design issues for advanced rotor nubs were examined, particularly with respect to bearingless-rotor designs. This papersummarizes the critical aspects of bearing less-hub design; they include the design of the flexbeam, the design of a torque structure for pitch control, and the means of augmenting rotor lead-lag damping. Representative designs from the concept definition studies are used to illuminate these design aspects. The capability of the designs to meet the ITR/FRR technical goals is also discussed.


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    Titel :

    Design considerations for bearingless rotor hubs


    Weitere Titelangaben:

    Entwurfsbetrachtungen fuer lagerlose Rotornaben


    Beteiligte:
    Bousman, W.G. (Autor:in) / Ormiston, R.A. (Autor:in) / Mirick, P.H. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1983


    Format / Umfang :

    28 Seiten


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch




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