Vibrations of rotary-wing aircraft may derive their energy from the rotation of the rotor rather than from the air forces. A theoretical analysis of these vibrations is described and methods for its application are explained in Chapter one. Chapter two reports the results of an investigation of the mechanical stability of a rotor having two vertically hinged blades mounted upon symmetrical supports, that is, of equal stiffness and mass in all horizontal directions. Chapter three presents the theory of ground vibrations of a two-blade helicopter rotor on anisotropic flexible supports.


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    Titel :

    Theory of self-excited mechanical oscillations of helicopter rotors with hinged blades


    Beteiligte:

    Erscheinungsdatum :

    1958-01-01


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch






    Theory of mechanical oscillations of rotors with two hinged blades

    Feingold, A.M. | Engineering Index Backfile | 1943


    Theory of self-excited mechanical oscillations of hinged rotor blades

    Coleman, R.P. | Engineering Index Backfile | 1943