An investigation is conducted of the effect of a single engine, untapered low wing general aviation aircraft propeller's swirl on the craft's stall pattern. The asymmetrical character of the propeller's swirl can trigger an early stall of one of the wings, aggravating the spin-entry condition. It is shown that the combination of this propeller-induced effect with adverse sideslip can result in large and abrupt changes in the rolling moment, in such conditions as uncoordinated low speed turning maneuvers where the pilot yaws the aircraft with wings level, rather than rolling it.


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    Title :

    Propeller swirl effect on single-engine general-aviation aircraft stall-spin tendencies


    Contributors:

    Published in:

    Publication date :

    1987-04-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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