Experimental Evidence of water craft that can obtain thrust from an opposing wind
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The spinning
business card Inventors drawing of how it works
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Archinaute
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Archinaute |
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Although these systems show that it is possible to completely overcome the headwind (using the headwind).
Even if the power is not sufficient to completely do this it does show that a suitably designed
rotor can aid the progress of a ship upwind because the thrust produced
by the rotor assembly is greater than the drag it creates.
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