De Akkers is a hollow post mill in Wartena,

Friesland Friesland ( ; ; official ), historically and traditionally known as Frisia (), named after the Frisians, is a Provinces of the Netherlands, province of the Netherlands located in the country's northern part. It is situated west of Groningen (p ...

Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...

which was built in 1970 and has been restored so that it can turn in the wind. It is listed as a

Rijksmonument A (, ) 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 had 61,822 l ...

History

''De Akkers'' was built in the 18th century. In 1921, it was moved to

Snikzwaag Snikzwaag () is a village in De Fryske Marren in the province of Friesland, the Netherlands. It had a population of around 65 in 2017. History The village was first mentioned in the 13th century Sneckswach, and means pointed (cattle) pasture. In 1 ...

, Friesland to replace a

tjasker The tjasker (West Frisian: , German: ) 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 ...

. In 1970, the derelict mill was bought by the Stichting Langebrück,

Amsterdam Amsterdam ( , ; ; ) is the capital of the Netherlands, capital and Municipalities of the Netherlands, largest city of the Kingdom of the Netherlands. It has a population of 933,680 in June 2024 within the city proper, 1,457,018 in the City Re ...

North Holland North Holland (, ) is a Provinces of the Netherlands, province of the Netherlands in the northwestern part of the country. It is located on the North Sea, north of South Holland and Utrecht (province), Utrecht, and west of Friesland and Flevola ...

. It was moved to Wartena and restored. A similar mill, the ''Saitermolen'', had previously stood on the site. The mill was restored in 1986 by

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

Westra of

Franeker Franeker (; ) is one of the eleven historical City rights in the Low Countries, cities of Friesland and capital of the municipality of Waadhoeke. It is located north of the Van Harinxmakanaal and about west of Leeuwarden. As of 2023, it had 13,0 ...

, Friesland. The mill is listed as a Rijksmonument, №22934.

Description

''De Deels'' is what the Dutch describe as a ''Spinnekopmolen''. It is a hollow post mill on a single storey roundhouse. The mill is winded by a winch. The sails are

Common sails Windmills are powered by their sails. Sails are found in different forms, from primitive common sails to the advanced patent sails. Jib sails The jib sail is found in Mediterranean countries and consists of a simple triangle of cloth wound r ...

. They have a span of . The sails are carried on a wooden ''windshaft''. The ''windshaft'' carries the ''brake wheel'' which has 27 cogs. This drives the ''wallower'' (15 cogs) at the top of the ''upright shaft''. The

Archimedes' screw The Archimedes' screw, also known as the Archimedean screw, hydrodynamic screw, water screw or Egyptian screw, is one of the earliest documented hydraulic machines. It was so-named after the Greek mathematician Archimedes who first described it ...

is diameter. It is worked by an electric motor. No other machinery remains.

References

{{Dutch Windmills Windmills in Friesland Windmills completed in 1970 Hollow post mills in the Netherlands Windpumps in the Netherlands Agricultural buildings in the Netherlands Rijksmonuments in Friesland