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Medieval sails could be constructed with or without outer sailbars. Post-medieval mill sails have a lattice framework over which the sailcloth is spread. There are various "reefs" for the different spread of sails; these are full sail, dagger point, sword point and first reef. The mill must be stopped in order to adjust the reefing of the sail. [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.
The MOD-2 wind turbine cluster of three turbines produced 7.5 megawatts of power in 1981. In 1987, the MOD-5B was the largest single wind turbine operating in the world with a rotor diameter of nearly 100 meters and a rated power of 3.2 megawatts. It demonstrated an availability of 95 percent, an unparalleled level for a new first-unit wind ...
The body of the windmill can be turned around the central post to bring the sails into the wind. All post mills have an arm projecting from them on the side opposite the sails and reaching down to near ground level. With some, as at Saxtead Green, the arm carries a fantail to turn the mill automatically. With the others the arm serves to rotate ...
No. of sails: Four sails: Type of sails: Common sails: Windshaft: cast iron and wood: Winding: Internal winding with medieval winding gears: No. of pairs of millstones: Two pairs: Size of millstones: 1,450 millimetres (4.76 ft) diameter: Other information: Uses a mound instead of stage to set the sails. Oldest existing windmill of the Netherlands.
Heckington Windmill is the only eight-sailed tower windmill still standing in the United Kingdom with its sails intact. Heckington is located between Sleaford and Boston in Lincolnshire , England. The mill stands very close to Heckington railway station , hence its name of the 'Station Mill' in the 19th century.
PARIS (Reuters) -The sails of the landmark red windmill atop the Moulin Rouge, the most celebrated cabaret club in Paris, fell to the ground overnight in the early hours of Thursday, much to the ...
The sails could be adjusted to the wind speed. In 1969 the last miller offered to donate the mill in a newspaper advert on the condition that it was rebuilt. The newspaper publisher, Axel Springer, acquired the mill and had it restored. Later he donated it to the mill museum, where it was rebuilt in 1979.