The method of manipulating a ship's heading change varies depending on the equipment of the ship. For example, a ship equipped with a stern thruster can use its forward and reverse rotation to generate lateral thrust to achieve turning; The deflection of the rudder of the diversion pipe can also be used to achieve ship turning. However, currently the rudder (blade) and rudder transmission devices used on ships are directly used to change the direction of the ship. They are generally arranged behind the propellers, and when they rotate at a certain angle, they can directly change the ship's heading.

The main functions of the components that make up the rudder system equipment are as follows:

Rudder: used to directly ensure the maneuverability of the ship;

Rudder turning mechanism: used to transfer the force generated by the servo to the rudder to drive the rudder to rotate;

Servo: It is composed of a complete set of steering machinery and an electric motor, which applies force to the rudder to rotate the rudder;

Servo control system: In order to enable the servo to rotate in a timely manner according to the driver's intention and accurately rotate the required rudder angle to ensure ship maneuverability, there must be a system controlled and operated by the driver (cabin).

Rudder system equipment is crucial for ensuring the safe navigation of ships. In turbulent seas or rapids, if the rudder system equipment fails, it will inevitably affect the normal navigation of ships. The rudder system equipment is closely related to the maneuverability of ships. The role of rudder equipment is not only to ensure the turning ability of the ship, but also to ensure the stability of the ship's heading.

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