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A windpump is a wind-driven device which is used for pumping water. The windmills at Kinderdijk in the village of Kinderdijk, Netherlands is a UNESCO World Heritage Site De Olifant at Burdaard, Friesland. Windpumps were used to pump water since at least the 9th century in what is now Afghanistan, Iran and Pakistan. [1]
The windmills at Kinderdijk in the village of Kinderdijk, Netherlands is a UNESCO World Heritage Site. A windmill is a structure that converts wind power into rotational energy using vanes called sails or blades, by tradition specifically to mill grain (), but in some parts of the English-speaking world, the term has also been extended to encompass windpumps, wind turbines, and other applications.
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An Aermotor water-pumping windmill in Texas near Denton The defunct Aermotor Windmill at Gekeler Farms in Idaho. Besides the production of windmills from 6 to 16 feet (1.8 to 4.9 m) tall, [3] Aermotor also produces the towers on which a windmill sits. Four post towers come in steel (ranging from 21 to 60 feet or 6.4 to 18.3 meters tall) and ...
It was decided to build a series of windmills, with a limited capacity to bridge water level differences, but just able to pump water into a reservoir at an intermediate level between the soil in the polder and the river; the reservoir could be let out into the river through locks whenever the river level was low enough; the river level has ...
Around the time of World War I, American windmill makers were producing 100,000 farm windmills each year, mostly for water-pumping. [15] By the 1930s, use of wind turbines in rural areas was declining as the distribution system extended to those areas. [16] A forerunner of modern horizontal-axis wind generators was in service at Yalta, USSR, in ...
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The reservoir could be pumped out into the river by other windmills whenever the river level was low enough; the river level has both seasonal and tidal variations. Although some of the windmills are still used, the main water works are provided by two diesel pumping stations near one of the entrances of the windmills site.