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2. Windpump - Wikipedia

   en.wikipedia.org/wiki/Windpump

   Windmills were already in use to pump the water out, but in Van de Molens (On mills), he suggested improvements, including the idea that the wheels should move slowly, and a better system for meshing of the gear teeth. These improvements increased the efficiency of the windmills used to pump water out of the polders by three times.

3. Aermotor Windmill Company - Wikipedia

   en.wikipedia.org/wiki/Aermotor_Windmill_Company

   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 ...

4. Small wind turbine - Wikipedia

   en.wikipedia.org/wiki/Small_wind_turbine

   For the operation of a small wind turbine with a capacity below 50 kilowatt the tariff amounts to 8.5 Euro-Cent for a period of 20 years. Due to the low feed-in tariff and high electricity prices in Germany, the economic operation of a small wind turbine depends on a large self-consumption rate of the electricity produced by the small wind turbine.

5. Category:Windpumps in the United States - Wikipedia

   en.wikipedia.org/wiki/Category:Windpumps_in_the...

   Ben Darrah Water Tank and Well House; I. Iowa Wind Mill and Pump Company Office and Warehouse; Iron Turbine Windmill; M.

6. Dempsters - Wikipedia

   en.wikipedia.org/wiki/Dempsters

   Dempsters was a privately held American company that over time produced submersible pumps, windmills and wind energy systems, water systems, recycling trailers, fertilizer equipment, and accessories. Originally named the Dempster Company and then the Dempster Wind Mill Company, it was incorporated under the laws of Nebraska in 1886 as Dempster ...

7. Tjasker - Wikipedia

   en.wikipedia.org/wiki/Tjasker

   The tjasker (West Frisian: jasker, German: Fluttermühle) is a small type of windmill used solely for drainage purposes. It is distinctive for its simple construction, featuring only a single inclined shaft that carries the sails on one end and an Archimedes' screw on the other, in this way avoiding the need for any gearing. [1]