Spinnenkop Openluchtmuseum, Arnhem

The spinnenkop of the Netherlands Open Air Museum in Arnhem is a small drainage mill originally located near Gorredijk, Friesland, Netherlands. It is a hollow post windmill that has been restored to working order.[1][2]

Spinnenkop Openluchtmuseum
De Wicher
Spinnenkop in the Dutch Open Air Museum
Origin
Mill locationDutch Open Air Museum, Arnhem
Coordinates52.012193°N 5.915032°E / 52.012193; 5.915032
Operator(s)Nederlands Openluchtmuseum
Year builtca 1800/1925
Information
PurposeDrainage mill
TypeHollow post
Roundhouse storeysSingle storey roundhouse
No. of sailsFour sails
Type of sailsPatent sails
WindshaftWooden
WindingTailpole and winch
Type of pumpArchimedes' screw

History

The mill was built around 1800 and later moved to Gorredijk. Next to draining the polder it got a secondary use from 1886 onwards to inundate the local ice skating ring. It was named Molen van Posthuman after its owner or named after the polder it drained called Mountsjelân (English: little mill land). In 1922 it became superfluous when a kerosene-engine powered pumping station was built. The mill was then dismantled and given to the Dutch Open Air Museum where it was rebuilt in 1925.[3]

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

The spinnenkop (English: spiderhead mill) of the Netherlands Open Air Museum is a small hollow post mill winded by a winch. The mill has common sails. The wooden stocks have a span of 13 metres (42 ft 8 in) and 9.50 metres (31 ft 2 in) and are carried on a wooden windshaft. The brake wheel on the windshaft drives the wallower at the top of the upright shaft in the body (called head on a spinnenkop), which passed through the main post into the substructure. At the bottom of the upright shaft is the crown wheel which drives the wooden Archimedes' screw. The body (called head on a spinnenkop) and substructure are weatherboarded.[1] Though fully operational the windmill can rarely be used to pump water because of its current sheltered location.[2]

Public access

The mill can be approached closely during opening hours of the museum.[2]

See also

Windmills in Arnhem

Windmills in the Netherlands Open Air Museum

References
  1. "Molenbestand: Openluchtmuseum (Spinnenkop) te Arnhem" (in Dutch). De Hollandsche Molen. Retrieved 2012-07-25.
  2. "Arnhem, Gelderland" (in Dutch). Nederlandse Molendatabase. Retrieved 2012-07-25.
  3. "Polder H, Mountsjeln/ Molen van Posthuma, Gorredijk/ ..." (in Dutch). Nederlandse Molendatabase. Retrieved 2012-07-25.
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