A flight investigation was undertaken to determine the effect of a fully controllable thrust reverser on the flight characteristics of a single-engine jet airplane. Tests were made using a cylindrical target-type reverser actuated by a hydraulic cylinder through a 'beep-type' cockpit control mounted at the base of the throttle. The thrust reverser was evaluated as an in-flight decelerating device, as a flight path control and airspeed control in landing approach, and as a braking device during the ground roll. Full deflection of the reverser for one reverser configuration resulted in a reverse thrust ratio of as much as 85 percent, which at maximum engine power corresponded to a reversed thrust of 5100 pounds. Use of the reverser in landing approach made possible a wide selection of approach angles, a large reduction in approach speed at steep approach angles, improved control of flight path angle, and more accuracy in hitting a given touchdown point. The use of the reverser as a speed brake at lower airspeeds was compromised by a longitudinal trim change. At the lower airspeeds and higher engine powers, there was insufficient elevator power to overcome the nose-down trim change at full reverser deflection.


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    Titel :

    Flight Measurements of the Effect of a Controllable Thrust Reverser on the Flight Characteristics of a Single-Engine Jet Airplane


    Beteiligte:
    S. B. Anderson (Autor:in) / G. E. Cooper (Autor:in) / A. E. Faye (Autor:in)

    Erscheinungsdatum :

    1959


    Format / Umfang :

    48 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Flight measurements of effect of controllable thrust reverser on flight characteristics of single-engine jet airplane

    Anderson, S.B. / Cooper, G.E. / Faye, Jr., A.E. | Engineering Index Backfile | 1959



    In-Flight Modulating Thrust Reverser

    A. McCardle | NTIS | 1975


    In-Flight Modulating Thrust Reverser

    A. McCardle / G. H. Israel / F. J. Trombetta et al. | NTIS | 1975