Exhaustive torsional-vibration investigations are required to determine the reliability of aircraft engines. A general outline of the methods used for such investigations and of the theoretical and mechanical means now available for this purpose is given, illustrated by example. True vibration diagrams are usually obtained from vibration measurements on the completed engine. Two devices for this purpose and supplementing each other, the D.V.L. torsiograph and the D.V.L. torsion recorder, are described in this report.


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    Title :

    Torsional vibration of aircraft engines


    Contributors:

    Publication date :

    1932-05-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English



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