| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that accidents of entrainment by a tail rotor of a rotor craft frequented at operation near the ground, to relieve from risk of an obstacle in a work near the ground, to simplify the structure of the rotor craft and to provide an effect in reducing noises or vibration of the craft by abolishing the tail rotor. SOLUTION: The tail rotor is abolished, a variable stator blade is equipped to a body and the body is stabilized by receiving down wash from the main rotor. COPYRIGHT: (C)2003,JPO
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