Biplane cellules using the N.A.C.A.-M6 airfoil section have been tested in the variable density wind tunnel of the National Advisory Committee for Aeronautics. Three cellules, differing only in the amount of stagger, were tested at two air densities, corresponding to pressures of one atmosphere and of twenty atmospheres. The range of angle of attack was from -2 degrees to +48 degrees. The effect of stagger on the lift and drag, and on the shielding effect of the upper wing by the lower at high angles of attack was determined.


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    Title :

    Preliminary biplane tests in the variable density wind tunnel


    Contributors:

    Publication date :

    1928-06-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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