The study reports the forces (means and standards deviations) exerted by the foot at various angles of extension about its ankle. A sample of 100 rated pilots was selected by height and weight. The forces were measured in a cockpit mock-up constructed around a specially instrumented F-80 rudder-pedal assembly. The right rudder pedal (hinged on the rudder bar) could be rigidly set to any desired angle between vertical and 75 deg forward of vertical. Foot forces were measured at 11 positions of the instrumented brake pedal in both neutral and extended positions of the right leg, and in three cockpit sizes (37 in., 39 1/4 in., and 41 in.)--66 measures on each man. In all three conditions, maximal forces were exerted within a 20 deg zone between 15 and 35 deg forward of vertical. Subjective comfort preferences, expressed by 86 pilots, closely paralleled the force findings. It is concluded that aircraft brake-pedal systems should be designed to maximize the effectiveness of the foot in that optimal zone, and that the same zone should be considered for other foot-operated controls, like automobile accelerator pedals. (Author)


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    Titel :

    Foot Forces Exerted at Various Aircraft Brake-Pedal Angles


    Beteiligte:
    H. T. Hertzberg (Autor:in) / F. E. Burke (Autor:in)

    Erscheinungsdatum :

    1971


    Format / Umfang :

    13 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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