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Contra Rotating Azimuth Thrusters

Contra Rotating Azimuth Thrusters

Azimuth thruster with contra-rotating propellers combine the structure advantages of the contra-rotating propellers and the flexibility of Azimuth thruster. While providing All-directional propulsive force, the diameter of the propellers is shortened, the propulsive efficiency is improved, the...

Azimuth thruster with contra-rotating propellers combine the structure advantages of the contra-rotating propellers and the flexibility of Azimuth thruster. While providing All-directional propulsive force, the diameter of the propellers is shortened, the propulsive efficiency is improved, the vibration and noise is decreased effectively


Advantages compared to thruster with single propeller:

a. Higher efficiency with same propeller diameter.

b. Same efficiency with reduced propeller diameter, beneficial for shallow-draught applications.

c. Reduced noise due to lower blade load.

 

Applications:

Typical applications are river going passenger vessels where noise is a critical issue, guaranteeing the comfort on board.

 

Appliation:

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