Documents
Land Use Issues of Wind Turbine Generator Sites- Ice Throw
January 19, 2004
by Otsego County Planning Commission White Paper
Summary:
Ice throw is a concern related to the fact that any object at the end of the rotating blades is
traveling at a high rate of speed. In the case of a 60 meter turbine (about 200’ diameter), rotating
at 20 RPM, the tip of the blade is traveling at just over 140 mph. If the turbine diameter
increases to 80 meters, the tip speed increases to just over 187 mph. There are reports of ice
having accumulated at the tip of the turbine and upon breaking loose, traveling significant
distance......
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