Lift measurements made for various suction quantities with and without leading edge roughness with double slotted flap at its optimum position and deflection; lift and drag characteristics were similarly determined for flap retracted position.


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    Title :

    Wind-tunnel investigation of NACA 654-421 airfoil section with double slotted flap and boundary-layer control by suction


    Additional title:

    Nat Advisory Committee Aeronautics -- Tech Note


    Contributors:


    Publication date :

    1947


    Size :

    10 pages


    Remarks:

    17 Supp Sheets


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English


    Keywords :