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Tail rotor control cable system for helicopters with folding halekonus
Tail rotor control cable system for helicopters with folding halekonus
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机译：尾桨折叠式直升机的尾桨控制电缆系统
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摘要
A helicopter has main rotor blades foldable over its tail cone and a tail rotor pylon which is foldable about a tail cone vertical hinge from its fore-and-aft flight position through an angle approaching 180 DEG to lie alongside the tail cone. Tail rotor pitch control mechanism includes a cable which extends across the foldable hinged members, direction change pulleys for the cable and an improved 4-bar linkage system which controls the movement of the pulleys within a small envelope circle and maintains a constant tension on the cable throughout the full fold cycle.
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