Reducing a lot on a few

And even more from a lot

Retrofits on existing vessels

To achieve a shipping revolution, we need to address the 60,000 commercial vessels on sea today. Our first focus is car-carrying vessels but we are also looking into other segments. We will do the first retrofit installation on the Wallenius Wilhelmsen vessel Tirranna in 2024, as part of the EU project Orcelle Horizon.

The first product from Oceanbird is the wing sail Oceanbird Wing 560, named after its size.

Facts /Oceanbird Wing 560

Height: 40 meters (131 feet)
Width: 14 meters (46 feet)
Total sail area: 560 m2 (6028 f2)
Two segments: Consists of a main sail and a flap, optimizing the aerodynamic forces by creating camber.
Materials: High strength steel and glass fiber. We aim to use as large amount of recycled material as possible and follow the progress of carbon neutral steel production in close cooperation with manufacturers.
Performance: One wing sail on an existing RoRo vessel at normal speed, can reduce fuel consumption from main engine with 7-10 % on favorable oceangoing routes. This means a saving of approx. 675,000 liters of diesel per year, which corresponds to approx. 1920 tonnes of CO2 per year.

Wing installation on existing vessel

How does it work?

This is how a bird´s wing can move a vessel.

Do you consider wind propulsion?

There will not be one silver bullet for the green transition of the maritime industry. The beauty of wind propulsion is that it can be combined with other alternative fuels, which allows you to spread your eggs in different baskets. Wind is a free and constant energy source, and requires no additional infrastructure.

If you want to find out if wind propulsion is suitable for your vessels, either on newbuildings or retrofits, as main propulsion or wind assist to the engine – don’t hesitate to reach out!


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Founded by the European Union

This project has received funding from European Union’s Horizon Europe Framework program under grant no 101096673.