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    Helium-filled floating wind turbine



    There's no doubting that the cause of renewable energy is a noble one. But, ethics aside, it also gives birth to the occasional technical marvel. Altaeros Energies, a company from Massachusetts (with MIT and Harvard blood in its veins) has created one such curiosity. The prototype is a wind-turbine that doesn't just languish on a hill-top, cutting a line in the horizon. No, this one has a helium-filled outer-section which allows it to deploy itself to 1,000 feet, where it can benefit from stronger, more consistent winds and gives nearly twice the power yields of its land bound brethren. That's all very nice, but we just thought it looked dang cool in action.

    http://www.engadget.com/2012/04/22/h...gy-with-style/

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    At 1000 feet does that mean it always has wind?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    At 1000 feet does that mean it always has wind?
    Not allways, but it is more likely for the wind to be stronger the higher you get above the ground. All structures, vegitation, trees and such slow wind down, so if there is any wind it is likely to be stronger higher above the ground.
    Off course no wind means no wind within the same air layer no matter what highth within that layer.
    But make no mistake, it can be there is no wind at ground up to 1000ft, but 20m/s wind at 1200ft.
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