The difference in dynamic pressure in the propeller slipstreams as measured by sensors is divided by the freestream dynamic pressure generating a quantity proportional to the differential thrust coefficient. This quantity is used to command an electric trim motor to change the position of trim tab thereby retrimming the airplane to the new asymmetric power condition. The change in position of the trim tab produced by the electric trim motor is summed with the pilot's input to produce the actual trim tab position.


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    Title :

    Airplane automatic control force trimming device for asymmetric engine failures


    Contributors:

    Publication date :

    1987-03-10


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English