The present report is a study of the dynamic stability of a helicopter with hinged rotor blades under hovering conditions. While in this case perfect stability can in general not be obtained it is possible by means of design features to prolong the period of the spontaneous oscillations of the helicopter and reduce their amplification, and so approximately assure neutral equilibrium. The possibility of controlled stability of a helicopter fitted with hinged blades is proved by the successful flights of various helicopters, particularly of the Focker FW61 helicopter.


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    Titel :

    Dynamic stability of a helicopter with hinged rotor blades


    Beteiligte:
    Hohenemser, K (Autor:in)

    Erscheinungsdatum :

    01.09.1939


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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