Harnessing the power of wind
Rotor Sails on Berge Bulk Vessels.
Flettner Rotors operate on the principle of the Magnus Effect – the same principle that enables professional sports players to make a ball spin and move with a curved trajectory.
The rotors are large columns — they spin at a high rotational speed and are mounted vertically on the deck. When the wind blows and interacts with these spinning columns, it generates a pressure differential that can be oriented to propel the ship forwards. This effect results in a reduction in mechanical power demand on the main engine, along with a corresponding reduction in main engine fuel consumption.
Continuous Innovation
We’re committed to continuous innovation and exploring cleaner, greener energy sources. Wind propulsion is an option we have explored previously in other formats, and we firmly believe it can help achieve our decarbonisation commitments.
In our move towards a zero emissions fleet, we are partnering with Anemoi Marine Technologies Ltd — global leaders in wind-assisted propulsion for commercial vessels — to pilot Flettner Rotors on Berge Bulk ships.
Our partnership with Anemoi began with in-depth engineering simulations in order to find the best possible technical and commercial solution.
In early 2024 we will be starting with a pilot onboard Berge Neblina — a 388,000 DWT Valemax ore carrier, built in 2012. During a scheduled dry dock in 2022, the vessel was made ‘wind-ready’ with the required structural integration. Berge Neblina will feature four rotors, 35m high and 5m in diameter, and we expect this installation to generate fuel savings of up to 10%.
Through this pilot, we will be actively working with some of our key customers to evaluate benefits, opportunities, possible hazards, and port restrictions. This pilot will help us to build a holistic plan for the widespread adoption of rotors on our bulk carriers.
