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Old 19-02-2014, 10:57   #1
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Brilliant Sail Design Innovation

Flyboys and home-brew self-steering enthusiasts should be kicking themselves, let alone bazillion dollar racing catamaran designers, but in the end leave it to a drone designer.

So obvious, I really am surprised it took so long to figure this one out. Free-rotating wing-sail with a tail plane. Use a little airfoil to control a bigger one. No sheeting, just trim the tab! Duh.

The Drone That Will Sail Itself Around the World | Autopia | Wired.com
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Old 19-02-2014, 12:30   #2
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Re: Brilliant Sail Design Innovation

Not a new idea - search for Walker wingsail (about two decades old) and others.
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Old 19-02-2014, 12:45   #3
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Re: Brilliant Sail Design Innovation

Totally forgot about that one, duh me. Somehow the drone one seems simpler which threw me. Regardless, seems like an improvement. A better solution.
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Old 19-02-2014, 13:16   #4
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Although great idea for sailing on, "Good days," reefing in a storm, not so much...
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