The reason that on any given site, some are running, and some are not- the computer controlling and monitoring their operation lets the tower make 4 revolutions in following the wind. Then it needs to shut down, and reverse the tower, to unwind the cables that bring electricity from the turbine, to the ground. When the cables are unwound, the computer will let the turbine spin again. Found that info in a motel brochure in SW MN a few years ago, home of Glacial Ridge- literally 100s of turbines along MN 23. I actually stopped the car adjacent to a number of towers to hear how noisy they were. Was surprised at the low noise level.
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Today's Featured Article - An AC Model M Crawler - by Anthony West. Neil Atkins is a man in his late thirties, a mild and patient character who talks fondly of his farming heritage. He farms around a hundred and fifty acres of arable land, in a village called Southam, located just outside Leamington Spa in Warwickshire. The soil is a rich dark brown and is well looked after. unlike some areas in the midlands it is also fairly flat, broken only by hedgerows and the occasional valley and brook. A copse of wildbreaking silver birch and oak trees surround the top si
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