Data for tip Mach numbers ranging from 0.29 to 0.74, compared with 2-dimensional data and other rotor data; synthesized section life and profile drag characteristics as function of angle of attack and Mach number presented for use in rotor performance calculations.


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    Title :

    Maximum mean lift coefficient characteristics at low tip Mach numbers of hovering helicopter rotor having NACA 641ao12 airfoil section


    Additional title:

    NASA -- Memo


    Contributors:


    Publication date :

    1959


    Size :

    25 pages


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English


    Keywords :