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November 16 2012

Sail-inspired wind turbine doubles efficiency without blades


We know that there's more than enough wind energy out there to power our entire civilization, but conventional wind turbines don't do that great of a job of harnessing it. They're expensive and inefficient, and we're looking for better technologies, one of which is a super efficient wind turbine that doesn't need blades.

It looks like some sort of flat satellite dish-thing, but this is Saphon Energy's wind non-turbine, the Saphonian. It doesn't have blades, and nothing on it spins: it just sits there, pointing into the wind, and captures energy. The design is based on sails, the kind that pull boats around, which are very efficient (and have been for thousands of years) at turning wind energy into usable mechanical energy.

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