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Rotor sails fitted on Maersk tanker

Norsepower, together with project partners Maersk Tankers,

Energy Technologies Institute (ETI) and Shell Shipping & Maritime, has installed two Norsepower Rotor Sails onboard Maersk Tankers Long Range 2 (LR2) product tanker Maersk Pelican.

The large, cylindrical mechanical sails spin to create a pressure differential called the Magnus effect, that propels the vessel forward. The Rotor Sails will provide auxiliary wind propulsion to the vessel, reducing fuel consumption and associated emissions by an expected 7-10% on typical global shipping routes.

“This project is breaking ground in the product tanker industry. While the industry has gone through decades of technological development, the use of wind propulsion technology onboard a product tanker vessel could take us to a new playing field.

 This new technology has the potential to help the industry be more cost-competitive as it moves cargoes around the world for customers and to reduce the environmental impact,” said Tommy Thomassen, Chief Technical Officer, Maersk Tankers.


Norsepower says the sails have completed rigorous land testing, including thorough testing of various mechanical and performance criteria, and are the first Rotor Sails to be class approved for use on a product tanker vessel. Lloyd’s Register’s Ship Performance team will acquire and analyse the performance data during a test phase to ensure an impartial assessment before technical and operational insights as well as performance studies are published.

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