The Contaz azimuth thruster range with contra-rotating propellers covers input powers from 2,200 to 3,700 KW and is specifically designed for merchant vessels and offers improved propulsion efficiencies of around 10-15% over conventional azimuth thrusters.
The aft propeller regains some of the energy losses in the stream as well as significant rotational losses, therefore there is a lower installed power requirement that can release space and lowers fuel consumption.
Contaz combines the benefits of contra-rotating propellers with azimuth thrusters.
Excellent low noise and vibration characteristics, and manoeuvrability at slow speeds, combine with smaller propeller diameters (20% smaller than single screw installations) to make Contaz ideal for passenger/car ferries and shallow draft vessels.
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