Shipping makes a significant contribution to global CO2 emissions.
There are techniques to reduce emissions.
Rostock / Hamburg - After more than a year of operation, the ferry company Scandlines has drawn a positive conclusion about the 30 meter high rotor sail on the ferry “Copenhagen”.
“We had expected that the rotor sail would lead to a CO2 saving of four to five percent.
This expectation was fulfilled, so that we are now ready for the next step and have therefore also prepared the sister ferry “Berlin” for a sail, ”said Michael Guldmann Petersen from the Scandlines board on Wednesday.
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The "Berlin" also operates the route between Rostock and Gedser in Denmark.
Thanks to its perfect location in a north-south direction, the route fulfills the conditions for the best possible effect of the sail on the drive - the wind usually hits the sail at right angles.
The technology, which is also known as the Flettner rotor after its inventor Anton Flettner, makes use of the physical Magnus effect.
If wind hits a rotating cylinder from the side, this propulsion generates transverse to the direction of the wind's flow.
"We are pleased that Scandlines is expanding the use of our rotor sail technology," said Tuomas Riski, CEO of the rotor sail manufacturer Norsepower.
The way the sail works can be used on around 30,000 ships around the world.
dpa
