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The application of a nozzle increases the thrust at relatively low ship speeds. Significant savings in fuel consumption can be achieved depending on the number of revolutions and the capacity of the engine. Nozzles are aerofoil shaped rings placed around the propeller.
The improved high efficiency Lips HR nozzle combined with a Wärtsilä propeller can produce over 10% more thrust than conventional nozzles, both in bollard pull and in free sailing condition.
The nozzle profile offers a double profiled cross section (outside and innerside). This sophisticated shape improves the water flow both into and out of the nozzle, increasing thrust performance.
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