Add Yahoo as a preferred source to see more of our stories on Google. A 1925 Popular Science illustration of Anton Flettner’s rotor ship, a “sailing ship without sails,” that amazed readers—and Albert ...

EcoNavis secures Scottish grant to advance Flettner-type rotor sail into testing phase. Find the latest news from the maritime industry on the PortNews website.

Maritime technology firm EcosNavis Solutions is developing an improved flettner rotor sail to make wind-assisted propulsion more effective for ships. Its Eco Rotor Sail adds a small fixed tail behind ...

In 1926 a cargo ship called the Buckau crossed the Atlantic sporting what looked like two tall smokestacks. But these towering cylinders were actually drawing power from the wind. Called Flettner ...

In 1926 an unusual vessel arrived in New York after crossing the Atlantic. This was a converted sailing ship renamed Baden-Baden. Its two masts had been torn down and a pair of 15-metre-high revolving ...

Adding a flap to a Flettner rotor can lead to improved performance and significant reductions in both emissions and fuel consumption, according to a recent assessment. The study, conducted by ...

A RoRo cargo ship operating in the North Sea will be fitted with two of Norsepower’s largest Rotor Sails, reducing the vessel's total emissions by as much as 25%. The Rotor Sail is essentially a ...

THE conversion by Herr Anton Flettner of the sailing ship Buckau into a rotor ship was referred to in NATURE of November 22, p. 758 and brief reference was then made to the principles underlying the ...