During 1940 and 1941 a series of modifications was incorporated in a typical light airplane to increase its safety. The modifications included: decreasing the wing incidence, increasing the wing washout, increasing the area and aspect ratio of horizontal and vertical tails, moving the elevators out of the propeller slipstream, depressing the thrust axis, and limiting the rudder travel. These modifications were considered ones which could reasonably be made to existing airplanes without basically modifying their external appearance. The modified airplane possessed the following inherent safety characteristics: (1) motions accompanying the stall were greatly reduced (2) no motions that did not result from the pilot's action occurred in turns with the elevator held full up, and (3) the airplane was spinproof. The general flying characteristics of the airplane were not materially altered in normal flight. The maximum speed in level flight and the rate of climb were slightly reduced.


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    Title :

    Flight Investigation to Increase the Safety of a Light Airplane


    Contributors:
    P. A. Hunter (author) / J. R. Vensel (author)

    Publication date :

    1947


    Size :

    28 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Flight investigation to increase safety of light airplane

    Hunter, P.A. / Vensel, J.R. | Engineering Index Backfile | 1947



    A flight investigation to increase the safety of a light airplane

    Hunter, P. A. / Vensel, J. R. | TIBKAT | 1947


    Safety in airplane flight

    Brunat, H | NTRS | 1927


    Safety in airplane flight

    Brunat, H. | Engineering Index Backfile | 1927