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The common sail is the simplest form of sail. In medieval mills, the sailcloth was wound in and out of a ladder-type arrangement of sails. 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 ...
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.
Stock – the arm that protrudes from the top of windmill holding the frame of the sail in place, this is the main support of the sail and is usually made of wood. Sail – the turning frame that catches the wind, attached and held by the stock. The traditional style found on most tower mills is a four-sail frame, however in the Mediterranean ...
The use of windmills became widespread across the Middle East and Central Asia, and later spread to China and India. [22] Vertical windmills were later used extensively in Northwestern Europe to grind flour beginning in the 1180s, and many examples still exist. [23] By 500 AD, windmills were used to pump seawater for salt-making in China and ...
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.
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 ...
Smock mill with fantail (Sønderho, Fanø, Denmark) Smock mill in Amsterdam Cobstone Windmill, Ibstone, Buckinghamshire. The smock mill is a type of windmill that consists of a sloping, horizontally weatherboarded, thatched, or shingled tower, usually with six or eight sides. It is topped with a roof or cap that rotates to bring the sails into ...
Chesterton Windmill is a 17th-century cylindric stone tower windmill with an arched base, located outside the village of Chesterton, Warwickshire. It is a Grade I listed building [ 1 ] and a striking landmark in south-east Warwickshire.