I think it being the first wind powered ship I think it means its using wind turbines to power the engine. I could be wrong tho
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· 6 years ago
the ship have basically big metal cylinders who are rotating quickly (like masts, just bigger). this is then the "sail". it just works in specific situations and the ship have a normal motor for the situations where this is not working.
more informations: https://pbs.twimg.com/media/DJeL9H9XoAAcg-x.jpg