But you want to make sure you aren't just creating drag you have to fight agains... | Hacker News

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		russdill on Aug 31, 2018 \| parent \| context \| favorite \| on: Maersk installed 100-foot-tall rotating sails on o... But you want to make sure you aren't just creating drag you have to fight against. So even with the rotors, the wind direction still matters.

sandworm101 on Aug 31, 2018 [–]

Which is why these things can be stopped and spun the other way.

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