The power requirements measured in static thrust and in level forward flight are presented for two helicopter rotor configurations. One is a coaxial rotor arrangement having the rotors spaced approximately 19 percent of the rotor radius; the other is a tandem configuration in which the rotor-shaft spacing is 3 percent greater than the rotor diameter and in which the rotors lie in the same plane. The experimental measurements are compared with the results of calculations based on existing NACA single-rotor theory.


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    Titel :

    Wind-Tunnel Studies of the Performance of Multirotor Configurations


    Beteiligte:

    Erscheinungsdatum :

    01.08.1954


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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    Dingeldein, R.C. | Engineering Index Backfile | 1954



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