De Hoop () is a smock mill in Sumar,

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 1867 and is in working order. The mill 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

A windmill that had stood on this site had before 1867. In that year, a

corn Maize (; ''Zea mays''), also known as corn in North American English, is a tall stout Poaceae, grass that produces cereal grain. It was domesticated by indigenous peoples of Mexico, indigenous peoples in southern Mexico about 9,000 years ago ...

and

pearl barley Pearl barley, or pearled barley, is barley that has been processed to remove its fibrous outer hull and polished to remove some or all of the bran Bran, also known as miller's bran, is the component of a Cereal, cereal grain consisting o ...

mill built on this site for Geert Hammens de Jong of

Hurdegaryp Hurdegaryp () is a village in the northern part of the Netherlands, in the municipality of Tytsjerksteradiel. Its history dates back to at least the 13th century. It had a population of around 4,788 in January 2017. In Dutch the village is called ...

, Friesland. The mill changed hands a number of times, and was in the ownership of Jouke Hedzers Looijenga of

Garyp Garyp () is a village in the municipality of Tytsjerksteradiel within the province of Friesland, Netherlands. It had a population of around 1,894 in January 2017. History The village was first mentioned between 1325 and 1336 as ''Garipe'' and me ...

, Friesland. The mill was destroyed by fire on 19 December 1881. Losses amounted to ƒ9,300. The brick base survived and was advertised for sale in 1882. In that year, permission was sought for a replacement mill and

steam engine A steam engine is a heat engine that performs Work (physics), mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a Cylinder (locomotive), cyl ...

. This was denied because the proposal did not conform to regulation then in force. The miller's house and surviving base were purchased at

auction An auction is usually a process of Trade, buying and selling Good (economics), goods or Service (economics), services by offering them up for Bidding, bids, taking bids, and then selling the item to the highest bidder or buying the item from th ...

by Jacob Jans Formsma for ƒ2,250. The smock tower of mill was moved from

Kootstertille Kootstertille () is a village in Achtkarspelen in the province of Friesland, the Netherlands. It had a population of around 2500 in 2017. History The village was first mentioned in 1508 as Wigher ter Tille. Kootstertille means bridge near the vi ...

, Friesland 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'') ...

T L Veenstra of Kootstertille. The mill was the ''Molen van Kootstra'', a

rye Rye (''Secale cereale'') is a grass grown extensively as a grain, a cover crop and a forage crop. It is grown principally in an area from Eastern and Northern Europe into Russia. It is much more tolerant of cold weather and poor soil than o ...

and pearl barley mill that had been built in 1867. The miller, Jacob Hylkes Kootstra, had borrowed ƒ6,000 in 1875 but had been unable to repay the money. The mill was sold by auction on 21 March 1882 to Jacob Jans Formsma and was removed from Kootstertille between 8–10 April. The new mill was named ''De Hoop''. Sipke Rienks Kuipers was the next owner. In 1919, the mill was bought by Anne Terpstra. She sold it in 1920 to Marten Zwart. In 1923, the mill was sold to Anne van der Wal. ''De Hoop'' was working until 1947, after which its condition deteriorated. It was sold to Jan Posthumus in 1956. The mill was purchased by the Gemeente Tytsjerksteradiel in 1964. Restorations were carried out in 1965-66 by Fabrikaat Medendorp of

Zuidlaren Zuidlaren ( Noordenvelds: ''Zuudlaoren'') is a village in the province of Drenthe in the Northern Netherlands. Zuidlaren has just over 10,000 inhabitants and is situated on natural heightened land which is called the Hondsrug. The village is part ...

Drenthe Drenthe () is a province of the Netherlands located in the northeastern part of the country. It is bordered by Overijssel to the south, Friesland to the west, Groningen to the north, and the German state of Lower Saxony to the east. As of Jan ...

and in 1992-93 by Bouwbedrijf Kolthof of

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

, Friesland. The mill is listed as a

, № 35683.

Description

''De Hoop'' is what the Dutch describe as a "Stellingmolen". It is a smock mill on a brick base. The stage is above ground level. The smock and cap are

thatch Thatching is the craft of building a roof with dry vegetation such as straw, Phragmites, water reed, Cyperaceae, sedge (''Cladium mariscus''), Juncus, rushes, Calluna, heather, or palm branches, layering the vegetation so as to shed water away fr ...

ed. The mill is winded by tailpole and 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 cast-iron ''windshaft'', which was cast by the IJzergieterij De Prins van Oranje,

The Hague The Hague ( ) is the capital city of the South Holland province of the Netherlands. With a population of over half a million, it is the third-largest city in the Netherlands. Situated on the west coast facing the North Sea, The Hague is the c ...

South Holland South Holland ( ) is a province of the Netherlands with a population of over 3.8 million as of January 2023 and a population density of about , making it the country's most populous province and one of the world's most densely populated areas. ...

in 1874. The ''windshaft'' also carries the ''brake wheel'', which has 59 cogs. This drives the ''wallower'' (30 cogs) at the top of the ''upright shaft''. At the bottom of the ''upright shaft'' is the ''great spur wheel'', which has 81 cogs. The ''great spur wheel'' drives a pair of diameter Cullen

millstone Millstones or mill stones are stones used in gristmills, used for triturating, crushing or, more specifically, grinding wheat or other grains. They are sometimes referred to as grindstones or grinding stones. Millstones come in pairs: a s ...

s via a ''lantern pinion stone nut'' which has 22 staves and a second pair of diameter Cullen millstones via a ''lantern pinion stone nut'' which has 23 staves. The mill was formerly fitted with

Patent 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 ...

Millers

*Geert Hammens de Jong (1867- ) *Jouke Hedzers Looijenga (1876–81) *Jacob Jans Formsma (1882- ) References for above:-

Public access

''De Korenaar'' is open to the public on Saturdays between 09:00 and 14:00 or by appointment.

References

{{Dutch Windmills Windmills in Friesland Windmills completed in 1867 Smock mills in the Netherlands Grinding mills in the Netherlands Agricultural buildings in the Netherlands Rijksmonuments in Friesland Octagonal buildings in the Netherlands