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persianIn 500-900A.D the persians attempted to make a machine where the sails that they attatched to a verticle pole would spin around on a vertical axis. the sails would either move water or grind grains.
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linkAround 1000 A.D wind power progressivley spread to european countries where they were used to drain lakes and marshes.
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First WindmillsThe first windmills were used for pumping water and milling grain which is where the term windmill came from.
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Chinese statesman Yehlu Chhu-Tshai was the first to document the use of the windmill in China. They were mainly used for grinding grain and pumping water.
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source The dutch refined the original design by adding different floors into the mill for diffierent tasks the mill did and a living quarters in the bottom.
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The most commonly recognized design is the one with steel blades, relatively small rotor diameters and tails to help orient them into the wind. THese were mass produced at used alll over America at the time.
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turbineCharles Brush invented the first automatically operated windturbine. It was called a windturbine and not a windmill because it created energy.
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The first large scale windmill was made in Cleveland Ohio with wooden blades that were 60 feet in diameter and spun at 500 RPM source
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steel bladesWhen steel blades for windmills were thought of it made them more efficient and as homesteaders move west, more than six million windmills were throughout the countryside.
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modernIn Denver they made a three bladed windmill but instead of completeing a task it would generate stored power.
