Langwert is a smock mill in

Winsum, Friesland Winsum is a village in Waadhoeke municipality in the province of Friesland, the Netherlands. It had a population of around 1,038 in January 2017. History The village was first mentioned in the 13th century as Winshyum, and means "settlement of ...

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

which was built in 1979 and is under restoration. It is listed as a

Rijksmonument A rijksmonument (, ) is a national heritage site of the Netherlands, listed by the agency Rijksdienst voor het Cultureel Erfgoed (RCE) acting for the Dutch Ministry of Education, Culture and Science. At the end of February 2015, the Netherlands ...

History

''Langwert'' formerly stood on different site in Winsum, where it was known as the ''Molen van Tjilbert''. It had been built in 1894 by

millwright A millwright is a craftsperson or skilled tradesperson who installs, dismantles, maintains, repairs, reassembles, and moves machinery in factories, power plants, and construction sites. The term ''millwright'' (also known as ''industrial mecha ...

Folkert Wijnstra of Spannum, Friesland to drain an area of . The mill was moved to its current site in 1979, replacing a mill that had been built in 1863 and that had burnt down on 13 March 1974. The work was done by a carpenter from Winsum with assistance from millwright Westra of

Franeker Franeker (; fry, Frjentsjer) is one of the eleven historical cities of Friesland and capital of the municipality of Waadhoeke. It is located north of the Van Harinxmakanaal and about 20 km west of Leeuwarden. As of 1 January 2014, it had 12, ...

, Friesland. The mill was damaged in a storm in September 2011. Restoration by Kolthof Bouwbedrijf bv of

Stiens Stiens is a town in the municipality of Leeuwarden, Netherlands. As of January 2017, the town has a population of about 7,545. Between 1944 and 2018, it was the capital of the municipality of Leeuwarderadeel. History The village was first mentione ...

, Friesland began in the summer of 2014. It is listed as a Rijksmonument, №8529.

Description

''Langwert'' is what the Dutch describe as a ''Grondzeiler''. It is a one-storey smock mill on a single storey base. There is no stage, the sails reaching almost to ground level. The mill is winded by tailpole and winch. The smock and cap are clad in vertical boards. The sails are

Common sails Common may refer to: Places * Common, a townland in County Tyrone, Northern Ireland * Boston Common, a central public park in Boston, Massachusetts * Cambridge Common, common land area in Cambridge, Massachusetts * Clapham Common, originally com ...

. They have a span of . The sails are carried on a wooden ''windshaft''. The ''windshaft'' carries the ''brake wheel'' which has 35 cogs. This drives the ''wallower'' (18 cogs) at the top of the ''upright shaft''. At the bottom of the ''upright shaft'' there are two ''crown wheels'' The upper ''crown wheel'', which has 30 cogs drives an

Archimedes' screw The Archimedes screw, also known as the Archimedean screw, hydrodynamic screw, water screw or Egyptian screw, is one of the earliest hydraulic machines. Using Archimedes screws as water pumps (Archimedes screw pump (ASP) or screw pump) dates back ...

via a ''crown wheel''. The lower ''crown wheel'', which has 31 cogs is carried on the axle of an Archimedes' screw, which is used to drain the polder. The axle of the screw is diameter and long. The screw is diameter. It is inclined at 21°. Each revolution of the screw lifts of water.

Public access

''De Beintemapoldermolen'' is usually open on Sunday afternoons, or by appointment.

References

{{Dutch Windmills Windmills in Friesland Windmills completed in 1979 Smock mills in the Netherlands Windpumps in the Netherlands Agricultural buildings in the Netherlands Rijksmonuments in Friesland Octagonal buildings in the Netherlands Waadhoeke