Fully rotatable rudder propeller

A fully rotatable azimuth thruster is a marine propulsion system that achieves vector thrust through a propeller that can rotate 360 degrees. It has revolutionized ship maneuverability, enabling vessels to perform complex movements that are difficult to achieve with traditional propeller and rudder systems, and is a key component of modern high-performance engineering vessels and work platforms.

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Selection of rudder and propeller type

The power transmission capacity of a rudder propeller depends on its maximum input torque. The type of rudder propeller, the type of prime mover, and the ship type can all affect the actual permissible input torque. Please consult with our technical staff before selecting a rudder propeller model. The rated output torque Mp of the prime mover (usually a diesel engine, hydraulic motor, or electric motor) is an important parameter for correctly selecting a rudder propeller, and its calculation formula is as follows:

According to typical work safety factor requirements, each type of thruster has its specific allowable design torque. Based on our years of experience, this design torque cannot be used as the sole basis for thruster selection; various service conditions must be carefully considered. Therefore, the usual torque design safety factor Sf should be selected as follows: The safety factor of Wanlida Marine Power Systems (Suzhou) Co., Ltd.'s thrusters meets the requirements of classification societies for normal navigation. For thrusters with ice-strengthening, the safety factor should be between 0.33 and 0.67. Thruster selection for applications with special installation requirements must be determined by Wanlida Marine Power Systems (Suzhou) Co., Ltd.