Results of flight tests indicate that profile-drag coefficients which were obtained with the low-drag airfoils were lower than with the conventional types over the range of light coefficients tested. For comparable conditions of the lift coefficient and Reynolds Number, the low-drag airfoils have profile-drag coefficients which may be 27 percent lower than the profile drag of the conventional airfoils tested. Detailed results are presented graphically.


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    Title :

    Profile Drag Coefficients of Conventional and Low-Drag Airfoils as Obtained in Flight


    Contributors:

    Publication date :

    1944


    Size :

    21 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English