Klaarkampstermeermolen

The Klaarkampstermeermolen or Klaarkampstermolen is a polder windmill in Rinsumageast, Friesland, the Netherlands. Built in 1862 the smock mill was relocated to its current position in 1893 and has been restored several times. Worked by volunteers it still drains the Klaarkampstermeer as of 2022. The mill is listed as a Rijksmonument since 1970 and can be visited by appointment.

Klaarkampstermeermolen
The Klaarkampstermeermolen, June 2012.
Origin
Mill nameKlaarkampstermeermolen
Mill locationRinsumageast, near Trekwei 11, 9105 AV
Coordinates53°18′18″N 5°56′16″E
Operator(s)Staatsbosbeheer region Friesland North
Year built1893
Information
PurposeDrainage mill
TypeSmock mill
StoreysTwo storey smock
Base storeysOne storey base
Smock sidesEight sides
No. of sailsFour sails
Type of sailsCommon sails
WindshaftCast iron
WindingTailpole and winch
Type of pumpArchimedes screw

History

De Klaarkampstermeermolen was originally built in 1862 at the Juckemavaart canal. It was moved to its current site in 1893 to drain the 210 pondemaat (77 ha; 190 acres) Klaarkampstermeer. The mill was restored in 1975 and an electric pump was installed.[1] During a further restoration in 1991 the wooden windshaft was replaced by a cast iron one, cast by Gieterij Hardinxveld of Hardinxveld-Giessendam, South Holland.[2][3] A further restoration was undertaken in 2009. The mill is listed as a Rijksmonument, №11695.[2]

Description
For an explanation of the various items of machinery, see Mill machinery.

De Klaarkampstermeermolen is a grondzeiler, the mill can be set to the wind from the ground: as the sails almost touch the ground no stage is needed. It is a two-storey smock mill on a single-storey brick base. The mill is set to the wind by tailpole and winch. The smock and cap are thatched. The common sailssit on wings with a 16.14 metres (52 ft 11 in) span.[1]

The windshaft carries the 47 cogs brake wheel that drives the wallower (24 cogs) at the top of the upright shaft that has two crown wheels at the bottom end called the upper and the lower crown wheel. The upper crown wheel has 35 cogs and drives an Archimedes' screw. The lower crown wheel, which has 34 cogs is carried on the axle of an Archimedes' screw that drains the Klaarkampstermeer polder. The axle of the screw is 37 centimetres (1 ft 3 in) diameter and 5.15 metres (16 ft 11 in) long. The 1.07 metres (3 ft 6 in) diameter screw is inclined at 25.7° and each revolution lifts 293 litres (64 imp gal) of water.[1]

Visiting

As per 2020 the Klaarkampstermeermolen was open to the public by appointment and on the first Saturday morning of each month.[4][2]

References
Wikimedia Commons has media related to Klaarkampstermolen.
Dutch Rijksmonument 11695
  1. Stichting De Fryske Mole (1995). Friese Molens (in Dutch). Leeuwarden: Friese Pers Boekerij bv. pp. 2151, 259. ISBN 90 330 1522 6.
  2. "De Klaarkampstermolen, Rinsumageest". Nederlandse Molendatabase (in Dutch). Molendatabase. Retrieved 15 August 2022.
  3. "De Klaarkampstermeermolen te Rinsumageest, Over de Molen". De Hollandsche Molen. Archived from the original on 14 September 2014. Retrieved 13 September 2014.
  4. "De Klaarkampstermeermolen te Rinsumageest, Contact". De Hollandsche Molen. Archived from the original on 14 September 2014. Retrieved 13 September 2014.
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