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Rotor Sails?

Posted: September 20, 2017, 5:57 am
by Pazzo
I thought I would share this with my fellow Boatnerds and open the floor to an interesting consensus. This concept makes sense, but it also presents some design issues on lake freighters.

Check it out!

http://www.sciencemag.org/news/2017/09/ ... argo-ships