An aircraft rotor assembly (15) has a central yoke (21) and a plurality of rotor blades (17) coupled to the yoke (21) for rotation with the yoke (21) about an axis, each blade (17) having a Lock number of approximately 5 or greater. A lead-lag pivot for each blade (17) is a radial distance from the axis and allows for in-plane lead-lag motion of the associated blade (17) relative to the yoke (21), each pivot allowing for in-plane motion from a neutral position of at least 1 degree in each of the lead and lag directions. Lead and lag motion of each blade (17) is opposed by a biasing force that biases the associated blade (17) toward the neutral position, and the biasing force is selected to achieve a first in-plane frequency of greater than 1/rev for each blade (17).


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    Titel :

    ROTOR ASSEMBLY WITH HIGH LOCK-NUMBER BLADES


    Weitere Titelangaben:

    ROTORANORDNUNG MIT BLAETTERN MIT HOHER LOCK ZAHL
    ENSEMBLE ROTOR AYANT DES PALES À NOMBRE DE LOCK ÉLEVÉ


    Beteiligte:
    STAMPS FRANK B (Autor:in) / MILLER GARY (Autor:in)

    Erscheinungsdatum :

    26.08.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge



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