Gallery: SeaTwirl Turbine Could be the Most Cost-Effective Wind Energy ...


Swedish eco-designers, Ehrnberg Solutions AB, have just completed their most successful prototype of the floating SeaTwirl vertical wind turbine. The device captures and harvests offshore wind, without having to convert the energy as it is being stored. SeaTwirl is the first of its kind with only two moving parts, and it uses only sea water as a roller bearing, omitting the need for a gearbox or transmission.

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  1. oneirondreamer September 30, 2011 at 2:34 pm

    This idea is good in principle, the idea of a water bearing that is, however the turbine itself is not likely to be very effective as in the 40+ years they have been researched low solidity (long thin blades subject to heavy stresses) VAWT’s have proven to be prone to multiple failure modes. I’d advocate for this new turbine instead, an example of which can be seen here.

  2. caeman September 29, 2011 at 2:09 pm

    Simplicity. I love it.

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