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| 3.11. PENDULAR ACTION In general, the fuselage of the helicopter is suspended from a single point and has considerable mass. Because of this it has some freedom to move laterally or longitudinally, a pendular action. However, correct aviator cyclic control movements, free of overcontrol, cause the rotor tip path and the fuselage to move in unison. For semirigid helicopters, the normal corrective device is the addition of a synchronized elevator attached to the tail boom and operated by the cyclic stick. |
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Last Updated: January 10, 2009