Many large freight ships are in the process of having rotor sails installed [1]....

jb775 on July 16, 2020 | parent | context | favorite | on: Sail Freight Projects Around the World

Many large freight ships are in the process of having rotor sails installed [1]. A rotor sail is basically a circular mechanism that uses the magnus effect to spin and generate propulsion.

[1] https://www.hellenicshippingnews.com/norsepower-unveils-firs...