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Rotor sails made tiltable by Norsepower to improve navigation
Team Sea and Coast | 29/06/2020

Norsepower, a Finnish cleantech company, and SEA-CARGO, a logistics provider, have signed a deal to install two of Norsepower’s largest Rotor Sails onboard the SC Connector, a side door Ro-Ro.

This is the debut of the world’s first tiltable Rotor Sail, an innovation that helps in overcoming height restrictions during navigation. The 35m high and 5m wide Rotor Sails, developed in collaboration by two companies, are able to tilt to almost horizontal when required. The SC Connector, a 12,251 gross tonne (GT) Ro-Ro cargo vessel operates in the North Sea, which allows for some of the most favourable wind conditions for Rotor Sails.However, the routes involve navigating under multiple bridges and powerlines which require the technology to have a tilting function.

“We are delighted to be working with SEA-CARGO, not only as they are keen to demonstrate their commitment to maximising the propulsive power of wind to reduce emissions, but also for their cooperation and innovation in making tilting Rotor Sails a realisation,” TuomasRiski, CEO, Norsepower, said about the parternship.

He continued, “Rotor Sails are particularly well suited to Ro-Ro vessels and working with SEA-CARGO to deliver a tilting Rotor Sail ensures we are providing an adaptable solution which fits with particular vessel requirements, specifically demonstrating vessels with height restrictions to benefit from the Rotor Sail solution.”

“With a growing international focus on reducing CO2 emissions and other gases/particles – the ability to harness wind to generate energy, reduce fuel consumption and emissions is a natural next step for the maritime transport industry,” quoted Ole Sævild, Managing Director, SEA-CARGO.
 
The Norsepower Rotor Sail is fully automated and detects whenever the wind is strong enough to deliver fuel and emission savings, at which point the Rotor Sails start automatically.It can be fitted on both new ships and those already in operation.

It is a modernised version of the Flettner rotor, a spinning cylinder that uses the Magnus effect to harness wind power to thrust a ship.

 

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