Measurements of the rotary derivatives of the X-15 aircraft were made in several of the wind tunnels of the National Advisory Committee for Aeronautics. The speed range was from landing speed up to Mach number, 3.5. The measurements were made on the steady-state, forced-oscillation equipment. The apparatus measures the rotary derivatives during small-amplitude, single-degree-of-freedom oscillations. In this paper the results of the wind-tunnel tests are compared with the values of the rotary derivatives estimated by the available procedures. Whenever possible, the results of wind-tunnel measurements of the static forces and moments on the X-15 have been utilized in the estimation procedures to obtain lift-curve slopes and centers of pressure of the tail surfaces. In this way, at least a partial account is taken of the effects of the fuselage and wing downwash and pressure field on the tail surfaces.


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    Titel :

    The measured and estimated rotary stability derivatives of the X-15 airplane


    Beteiligte:
    Tinling, Bruce (Autor:in) / Surber, True (Autor:in) / Tunnell, Phillips J (Autor:in) / Lopez, Armando (Autor:in)

    Erscheinungsdatum :

    30.07.1958


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch





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