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Tuesday, March 17, 2020 

German propulsion manufacturer Schottel has been awarded a contract to provide azimuth thrusters for a Chinese river cruise newbuild, owned by Changjiang Cruise Overseas Travel and built by China Merchants Heavy Industry (Jiangsu), for operation on the Yangtze River, the largest river in China.

The vessel will be powered by electric motors driving three Schottel Twin Propeller systems type STP 310 each with an input power of 1,000kW and a propeller diameter of 2m. The 150m long and 23m wide vessel will reach an operating cruise speed of 14 knots. It will accommodate 600 guests served by 150 crew members. The new vessel is scheduled to enter operation in September 2021.

Schottel Twin Propellers are suitable for quiet operation and in applications with limited installation space, draught or propeller clearance. By sharing the load between two propellers rotating into same direction and of the same diameter, the risk of cavitation is minimised and tip clearance is increased. Both of these characteristics, in turn, lead to low noise and vibration levels. This concept also improves the efficiency of the propulsion system and reduces fuel consumption compared to single propeller systems.

The Yangtze River is the longest river in China and the third longest in the world. At 6,397km in length, it crosses the provinces of Qinghai, Tibet, Sichuan, Yunnan, Chongqing, Hubei, Hunan, Jiangxi, Anhui and Jiangsu while also traversing the city of Shanghai from west to east before flowing into the East China Sea.

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