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Big wind has big problems

As an avid proponent of decentralized energy I must admit to a little schadenfreude when I read articles about big wind turbines and their many inherent problems. Now a company has developed a device to anticipate the direction and velocity of wind to allow big turbines to feather their props and orient more directly into the wind.

Wind turbines lose roughly 1 percent of their operating efficiency for every degree their blades are out of alignment with the oncoming wind.

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