Aircraft landing gear


To rotate an aircraft landing wheel prior to touchdown, the wheel carries vanes A, B, and an adjustable screen ahead of the wheel directs air on to a selected part of the wheel such that prior to touchdown the airstream acts to drive the wheel to a speed approximating to that required at touchdown, while after touchdown the screen is moved, preferably automatically, to cause the airstream to oppose wheel rotation and assist the brakes. Tubular guides may be used in conjunction with the screen to aid in direction of the airflow. The vanes are secured to the wheel studs C, D, and to a peripheral ring for additional support. They may also be joined to one-another at the wheel centre. <IMAGE>




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    Publication numberPublication dateAssigneeTitle
    GB-2356839-AJune 06, 2001Stanley Neil WhincupMotor used to rotate an aircraft wheel prior to landing