An F-14 airplane was modified to become the test bed aircraft for the variable sweep transition flight experiment (VSTFE) program. The latter is a laminar flow program designed to measure the effects of wing sweep on boundary layer transition from laminar to turbulent flow. The airplane was modified by adding an upper surface foam-fiberglass glove over a portion of the left wing. Ground vibration and flight flutter testing were accomplished to clear a sufficient flight envelope to conduct the laminar flow experiments. Flight test data indicated satisfactory damping levels and damping trends for the elastic structural modes of the airplane. The data presented include frequency and damping as functions of Mach number.


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    Titel :

    Flutter clearance of the F-14 variable-sweep transition flight experiment airplane, phase 1


    Beteiligte:

    Erscheinungsdatum :

    01.09.1987


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch