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Thursday, September 04, 2008

Tiny Turbines May Have a Bright Future - By Frank Dohmen

They look a bit like attachments for a gigantic hand-held mixer. But at five meters (16 feet) tall and with a diameter of close to three meters, they are certainly too big for a kitchen cabinet. They would, however, definitely fit in backyards and city parks and on the roofs of houses and office buildings. And if the German power company RWE has its way, there will soon be thousands of the funny-looking rotors installed in the coming months and years -- in Germany, in Europe and even in the US.

A small wind turbine like this one may be coming soon to a roof near you.
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quietrevolution.co.uk

A small wind turbine like this one may be coming soon to a roof near you.


It is not, as one might be tempted to believe, a vast, futuristic art project. Rather, the odd-looking, twisting contraptions are the newest generation of high-tech wind turbines. In contrast to their cousins, these windmills are virtually silent, do not require long blades to catch the wind, and spin no matter which direction the wind is blowing. Even better, their modest size and weight mean they can easily be installed on rooftops -- and they can generate up to 10,000 kilowatt hours of electricity a year, enough to supply two low-energy homes, or a 20 person office, with power.

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