De Broekmolen, Broeksterwoude
Encyclopedia
De Broekmolen is a smock mill in Broeksterwoude
, Friesland
, Netherlands
which has been restored to working order. The mill is listed as a Rijksmonument
, number 11678.
s Wietse Jurjen en Comp. In 1911, Patent sails were fitted. This work was done by millwright
Meindert van der Meulen of Dokkum
. A new windshaft was fitted in 1915 at a cost of ƒ600. A new pair of sails were fitted in 1923 at a cost of ƒ565. The sails were fitted with Dekker streamlined leading edges in 1937 by millwright Westra of Franeker
. A diesel engine was installed as auxiliary power in 1961 and the Archimedes screw was renewed. The mill ceased working a few years later. The mill was restored in 1975. Common sails were fitted as part of the restoration. The mill was sold to Stichting De Fryske Mole (English: Frisian Mills Society) in 1977. New sails were fitted in 2008.
Archimedes screw via a gear wheel with 32 cogs. The Archimedes screw has an axle diameter of 460 millimetre and is 1.32 metre diameter overall. It is inclined at an angle of 23°. Each revolution of the screw lifts 439 litres (96.6 imp gal) of water.
Broeksterwoude
Broeksterwâld is a village in the Dantumadiel municipality of Friesland, in the Netherlands and has around the 1267 citizens ....
, Friesland
Friesland
Friesland is a province in the north of the Netherlands and part of the ancient region of Frisia.Until the end of 1996, the province bore Friesland as its official name. In 1997 this Dutch name lost its official status to the Frisian Fryslân...
, 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. 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 11678.
History
De Broekmolen was built in 1876 by millwrightMillwright
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...
s Wietse Jurjen en Comp. In 1911, Patent sails were fitted. This work was done 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...
Meindert van der Meulen of Dokkum
Dokkum
Dokkum is a Dutch fortified town in the municipality of Dongeradeel in the province of Friesland. It has 13,145 inhabitants . The fortifications of Dokkum are well preserved and are known as the bolwerken . - History :...
. A new windshaft was fitted in 1915 at a cost of ƒ600. A new pair of sails were fitted in 1923 at a cost of ƒ565. The sails were fitted with Dekker streamlined leading edges in 1937 by millwright Westra of Franeker
Franeker
Franeker is one of the eleven historical cities of Friesland and capital of the municipality of Franekeradeel. It is located about 20 km west of Leeuwarden on the Van Harinxma Canal. As of 1 January 2006, it had 12,996 inhabitants. The city is famous for the Eisinga Planetarium from around...
. A diesel engine was installed as auxiliary power in 1961 and the Archimedes screw was renewed. The mill ceased working a few years later. The mill was restored in 1975. Common sails were fitted as part of the restoration. The mill was sold to Stichting De Fryske Mole (English: Frisian Mills Society) in 1977. New sails were fitted in 2008.
Description
De Broekmolen is what the Dutch describe as an "achtkante grondzeiler" . It is a smock mill winded by a winch. There is no stage, the sails reaching almost to the ground. The mill has a single storey brick base and a three storey smock. The smock and cap are thatched. The four Common sails have a span of 16.7 metre and are carried in a cast iron windshaft. The windshaft also carries the brake wheel which has 44 cogs. This drives the wallower (23 cogs) at the top of the upright shaft. At the bottom of the upright shaft, the crown wheel (34 cogs) drives the steelSteel
Steel is an alloy that consists mostly of iron and has a carbon content between 0.2% and 2.1% by weight, depending on the grade. Carbon is the most common alloying material for iron, but various other alloying elements are used, such as manganese, chromium, vanadium, and tungsten...
Archimedes screw via a gear wheel with 32 cogs. The Archimedes screw has an axle diameter of 460 millimetre and is 1.32 metre diameter overall. It is inclined at an angle of 23°. Each revolution of the screw lifts 439 litres (96.6 imp gal) of water.