The feasibility of providing a modern four-bladed rotor for flight research testing on a rotor system aircraft was evaluated. The capabilities of a state of the art rotor system and the contributions of key design parameters to these capabilities were investigated. Three candidate rotors were examined: the UH-60A BLACK HAWK rotor with and without root extenders and the H-3 composite blade rotor. It was concluded that the technical/cost objectives could best be accomplished using the basic BLACK HAWK rotor (i.e. without root extenders). Further, the availability of three existing sets of blade tip of varying design, together with a demonstrated capability for altering airfoil geometry should provide early research information on important design variables at reduced cost.


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    Titel :

    Predesign Study for a Modern 4-Bladed Rotor for Rsra


    Beteiligte:
    S. J. Davis (Autor:in)

    Erscheinungsdatum :

    1981


    Format / Umfang :

    176 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch