Rotor ships still need to tack for headwinds, but not to the same degree as conventional sails. https://en.wikipedia.org/wiki/Tacking_(sailing) https://en.wiki

Rotor ships still need to tack for headwinds, but not to the same degree as conventional sails. https://en.wikipedia.org/wiki/Tacking_(sailing) https://en.wikipedia.org/wiki/Tacking_(sailing)