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Energy

288: SeaTwirl

Problem:

Installing offshore wind turbines takes time and money.

Solution:

Sea Twirl


SeaTwirl is a floating vertical axis wind turbine (VAWTT) with a tower placed on an underwater structure which consists of a buoyancy component and a keel at its lowest point.

In 2007 Daniel Ehrnberg of Göteborg, a physicist interested in sustainable energy devices, successfully invented and patented the first prototype offshore energy storage device he called SeaTwirl.

The S2 version of his solution included a turbine that is divisible above and below the house that holds the generator and bearing, meaning that their entire housing can be replaced just above the water surface by boat.

Discover Solution 289: 3D house printer

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