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MAIN ROTOR TRIM TAB RETENTION SYSTEM, AN AIRCRAFT EMPLOYING SAME AND A METHOD OF REPLACING A TRIM TAB ASSEMBLY FROM BLADE HOUSING
MAIN ROTOR TRIM TAB RETENTION SYSTEM, AN AIRCRAFT EMPLOYING SAME AND A METHOD OF REPLACING A TRIM TAB ASSEMBLY FROM BLADE HOUSING
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机译:主旋翼三角翼固定系统,飞机的使用方法以及从叶片壳体更换三角翼总成的方法
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摘要
A main rotor trim tab retention system includes, a blade housing having flanges separated by a cavity defined between the flanges, and a trim tab assembly. The trim tab assembly includes, a trim tab having an aerodynamic surface, at least one arm extending from the trim tab positionable within the cavity while the trim tab extends outward from the cavity, and a spherical bearing connecting the trim tab and the at least one arm, the spherical bearing having a first axis which is substantially perpendicular to the aerodynamic surface of the trim tab. The at least one arm is pivotable about the spherical bearing about a second axis substantially perpendicular to the first axis to rotate the trim tab relative to the blade housing.
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