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bob weight
A mechanical weight in the elevator control system of some airplanes.
The bob weight is used to apply a nose-down force on the elevator control system. This force is counteracted by an aerodynamic force caused by the elevator trim tab.
If the aircraft slows down enough that the aerodynamic force on the trim tab is lost, the bob weight forces the nose down, and the airplane picks up speed.
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- Part of Speech: noun
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- Industry/Domain: Aviation
- Category: Aeronautics
- Company: Aviation Supplies & Academics
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