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Diagram showing a compound gear train with three interconnected gears, labelled Gear A (20 teeth) and Gear C (10 teeth).

Diagram showing a compound gear train with three interconnected gears, labelled Gear A (20 teeth) and Gear C (10 teeth).

In a compound gear train, Gear A with 20 teeth drives Gear B with 40 teeth. Gear B is meshed with Gear C, which has 10 teeth Ver mais