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flanking rudder

steering mechanism

Quick Summary

Flanking rudders are a specialized steering mechanism used on some ships, particularly shallow-draft push boats. They are positioned forward of the main propeller(s), with one flanking rudder on each side of the shaft. Their primary function is to assist the main rudder in generating sideways forces, which is crucial for maneuvering in tight spaces like river bends or channel turns, especially when pushing large groups of barges. These rudders are especially helpful when a ship needs to maneuver effectively while backing up, a situation where a standard stern rudder is often less effective.12

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