Posted by JMS/.MN on November 11, 2011 at 18:07:04 from (209.237.107.155):
In Reply to: Re: OT Windmills posted by Hal/Eastern Washington on November 11, 2011 at 16:08:30:
Here is why they are not turning- There are cables that run between ground and top- to carry the electricity. The windmill follows the changing wind direction until the unit has made 4 turns. The cables cannot be twisted more than 4 turns, so the puter shuts down the blades and slowly unwinds 4 turns, then lets the blades turn again. Watch for a while and you will see them reversing.
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Today's Featured Article - Horsepower Defined - by Staff. Indicated Horsepower This represents the power developed in the enine cylinder as obtained from the pressure in the cylinders. This is pressure obtained from an indicator which shows cylinder pressures. Indicated horsepower does not represent the actual useful power delivered by the engine. Brake Horsepower This is the actual horse power delivered by the engine to the shaft. It is equal to the "indicated horsepower" less the friction of the engine. It is useful hor
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