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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.
Brill windmill, a 17th-century post mill in Buckinghamshire. The post mill is the earliest type of European windmill. Its defining feature is that the whole body of the mill that houses the machinery is mounted on a single central vertical post. The vertical post is supported by four quarter bars. These are struts that steady the central post.
Medieval ships were the vessels used in Europe during the Middle Ages. Like ships from antiquity , they were moved by sails , oars , or a combination of the two. There was a large variety, mostly based on much older, conservative designs.
The gallery allowed access to the sails for making repairs because they could not be easily reached from the ground in larger mills. [17] Frame – Sail design that forms the outline of the sail, usually a meshed wood design that then is covered in cloth. The Mediterranean design is different in that there are several sails on the sail-frame ...
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.
The terms "horizontal" and "vertical" refer to the plane of rotation of the sails. Modern wind turbines are generally referred to by the plane of rotation of the main axle (windshaft). Thus a horizontal mill may also be described as a "vertical-axis windmill" and a vertical mill may also be described as a "horizontal-axis windmill".
Medieval architecture was the art and science of designing and constructing buildings in the Middle Ages. The major styles of the period included pre-Romanesque , Romanesque , and Gothic . In the fifteenth century, architects began to favour classical forms again, in the Renaissance style , marking the end of the medieval period.