| 摘要 |
A horizontal stabilizer for a helicopter has two airfoil sections, one on each side of a tail cone. A stabilizer joining and torque tube mechanism comprising two concentric tubes mounted on bearings in the tail cone extends through the tail cone and beyond into the airfoil sections wherein the tubes terminate at laterally spaced points, the inner tube being longer than the outer tube. To transmit torque from the shafts to the airfoil sections a torque tube housing is provided in each airfoil section which conforms externally to and is connected to its airfoil section and which receives the end portions of both tubes and is bolted to them. An actuating lever for the stabilizer is provided on the torque tube mechanism within the tail cone which is connected to pilot controlled linkage.
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