The deformation of aircraft wings is measured by photographically recording a series of bright shots on a moving paper band sensitive to light. Alternating deformations, especially vibrations, can thus be measured in operation, unaffected by inertia. A handy recording camera, the optograph, was developed by the static division of the D.V.L. (German Experimental Institute for Aeronautics) for the employment of this method of measurement on airplanes in flight.


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    Title :

    Optico-photographic measurements of airplane deformations


    Contributors:

    Publication date :

    1931-03-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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