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Advantages of high-power azimuth thruster with contra-rotating propellers
Jan 29, 2019

The high-power azimuth thruster with contra-rotating propellers not only has the structural advantages of the contra-rotating propeller, but also has the flexibility of the full-rotation rudder propeller. It can reduce the diameter of the propeller, improve the propulsion efficiency, and reduce the total thrust. Vibration and noise.

It is mainly used in ships with special requirements or special restrictions, such as transport ships, car ferries, oil spill recovery vessels, sanitation engineering vessels, and the product power range is 60HP-3500HP.

In the high-power azimuth thruster with contra-rotating propellers a new type of cutter and labyrinth anti-winding structure is specially set, so that the winding can be prevented from entering the shafting system to cause damage to the seal during use, so as to ensure a sufficient service life of the seal.

Moreover, the rotary oil circulation control system has a perfect lubricating oil circulation system, and the necessary tests are carried out, so that the self-lubrication and the forced lubrication are organically combined, so that the lubrication effect is remarkable and the energy consumption is reduced.

Because of these excellent characteristics, today's high-power azimuth thruster with contra-rotating propellers

have been widely used in ferries and cruise ships. Their maneuverability and energy saving are superior to conventional flat-axle propulsion, which is better than single-blade propeller propulsion.

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