Two low-acceleration transonic-flutter vehicles were launched and flown. The first carried two test wings, one of which fluttered at M = 0.92 at a frequency of 61.4 cycles per second. The reference flutter speed determined from two-dimensional theory for an unswept wing in incompressible flow is conservative when compared to the experimental flutter speed. The second vehicle carried two test wings, one of which failed at M = 0.71 because of low-frequency divergent oscillation. Since this failure was not caused by conventional flexure-torsion flutter, no comparison with a reference flutter speed can be made.


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    Title :

    Transonic-flutter Investigation of Wings Attached to Two Low-acceleration Rocket-propelled Vehicles


    Contributors:

    Publication date :

    1948-11-23


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English