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Antiservo tabs

Antiservo tabs

  • Antiservo tabs, as the name suggests, are like servo tabs but move in the same direction as the primary control surface.
  •  On some aircraft, especially those with a movable horizontal stabilizer, the input to the control surface can be too sensitive.
  •  An anti servo tab tied through the control linkage creates an aerodynamic force that increases the effort needed to move the control surface.
  •  This makes flying the aircraft more stable for the pilot. an anti servo tab in the near-neutral position.
  •  Deflected in the same direction as the desired stabilator movement, it increases the required control surface input. 

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