MN has had them for many years, espec in SW MN. Typically about 400 feet high. More going in, SE MN and central MN. They are computer controlled....direction, speed, shutdown, etc. When some on a farm are turning, others not, the shutdown units are "unwinding". Cables run from top to ground to carry the electricity, and the turbine can follow the wind for four turns......the cables cannot take more than 4 twists, so the "puter shuts down the unit, then starts it up again.
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Today's Featured Article - Engine Basics: Spark Plug Cleaning - by Staff. Cleaning procedures: Brush or blow dirt from around the spark plug base. Remove the plug with a correctly fitted wrench. Examine the porcelain insulator and points. If the insulator appears to be melted or blistered, cracked or broken, and the points seem unduly burned it is evident that the plug is operating too hot and it should be replaced with a colder plug. If the plug is fouled excessively with carbon it apparently is operating too cold and it should be replac
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