De Boezemvriend, De Groeve
Encyclopedia
De Boezemvriend or Molen van De Groeve is a smock mill
Smock mill
The smock mill is a type of windmill that consists of a sloping, horizontally weatherboarded tower, usually with six or eight sides. It is topped with a roof or cap that rotates to bring the sails into the wind...

 in De Groeve, in Drenthe
Drenthe
Drenthe is a province of the Netherlands, located in the north-east of the country. The capital city is Assen. It is bordered by Overijssel to the south, Friesland to the west, Groningen to the north, and Germany to the east.-History:Drenthe, unlike many other parts of the Netherlands, has been a...

 province of the Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 which has been restored to working order. It was built in 1871. The mill is listed as a Rijksmonument
Rijksmonument
A rijksmonument is a National Heritage Site of the Netherlands, listed by the agency Rijksdienst voor het Cultureel Erfgoed acting for the Dutch Ministry of Education, Culture and Science.-History and criteria:...

, number 41097.

History

De Boezemvriend was built in 1871 by millwright
Millwright
A millwright is a craftsman or tradesman engaged with the construction and maintenance of machinery.Early millwrights were specialist carpenters who erected machines used in agriculture, food processing and processing lumber and paper...

 P Medendorp, of Zuidlaren
Zuidlaren
Zuidlaren 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....

, replacing an earlier mill. It drained the Zuidlaren Polder
Zuidlaardermeer
Zuidlaardermeer is a lake in the northern part of the NetherlandsThe lake runs northwards of the village of Zuidlaren and southwards of the city of Hoogezand-Sappemeer and is called Zuidlaardermeer . The lake is largely situated in the provinces of Groningen and Drenthe. It was formed 5,000-8,000...

. The mill worked until 1934, when an electric motor
Electric motor
An electric motor converts electrical energy into mechanical energy.Most electric motors operate through the interaction of magnetic fields and current-carrying conductors to generate force...

 was installed. The mill was derelict in 1960. The windshaft had dropped and the end of a sail resting on the ground. The mill was restored as a landmark over the winter of 1962-63 by millwright Medendorp of Zuidlaren, grandson of the original builder. It had formerly been equipped with Patent sails, but these were not restored. Further restoration to working order took place over the winter of 1989-90. The mill was officially reopened on 5 April 1990. The mill was named De Boezemvriend in 1991.

Description

De Boezemvriend is what the Dutch described as an achtkante grondzeiler - a smock mill without a stage. It has a single storey brick base with a three storey smock. The smock and cap are boarded, with vertical boards on the smock. The four Common sails are carried on a cast iron windshaft which was made in 1894 by the Den Haag millwrights Prins van Oranje. The sails have a span of 20.1 metre. The brakewheel has 59 cogs. It drives the wallower (27 cogs) at the top of the upright shaft. At the bottom of the upright shaft the crown wheel (36 cogs) drives the Archimedes screw via a gear with 35 cogs.
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