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Rudder bulb


Technology Description

Rudders are located behind the propellers, in highly turbulent flow fields, and can lead to high drag losses. Thanks to their special shape, rudder bulbs are optimising the water flow pattern between the propeller and the rudder, thus reducing energy loss and the ship's fuel consumption.

Relevance for Net Zero

This technology offers improved propulsive efficiency thanks to a better coupling between the designs of both the propeller and the rudder. The fuel consumption of the ship can be reduced by up to 10%.

Key Countries

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