Wing-nacelle interference investigation conducted in variable-density wind tunnel to determine why N.A.C.A. cowling did not yield expected increase in speed when adapted to outboard nacelles of trimotored airplanes; drag and interference of Wright Whirlwind engine nacelle with N.A.C.A. cowling, when combined with thick wing, can be reduced from 152 lb. to 25 lb. at 100 m.p.h., by changing its position and fairing it into wing.


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    Title :

    The drag and interference of a nacelle in the presence of a wing


    Additional title:

    Nat. Advisory Committee Aeronautics -- Tech. Note


    Contributors:


    Publication date :

    1929


    Size :

    12 pages


    Remarks:

    12 Figs. on supp. plates, Bibliography


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English