Kramersmolen is a Hollow Post mill in Goutum

Goutum

Goutum is a village in the Gemeente Leeuwarden in the province Friesland of the Netherlands and has around the 2,630 citizens. There are two windmills in Goutum, Kramersmolen and Molen Hoogland.-Notable buildings:* The Protestant church of Goutum...

, 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 was built in 2002. 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 24508.

History

The mill was originally built in the C18th at Wirdum

Wirdum (Netherlands)

Wirdum is a small village in Leeuwarden in the province Friesland of the Netherlands and has around 1236 citizens .-References:...

 to drain the Wirdumer Nieuwland polder. At Wirdum, it was also known by the name of Old Barrahûs. It has always formed a pair with Molen Hoogland

Molen Hoogland, Goutum

Molen Hoogland is a Hollow Post mill in Goutum, Friesland, Netherlands which was built in 2004. The mill is listed as a Rijksmonument, number 24521.-History:...

. On 1 March 1949, the cap and sails were blown of in a storm. The mill was soon repaired. The mill was restored in 1968-69. On 30 September 1986, the mill was sold to Stichting de Fryske Mole (Frisian Mills Society). In 1995, it was moved to Zwette, along with Molen Hoogland. Following the latter mill's destruction by fire in 1999, another site was sought and the mill was moved to Wirdum in 2002. The mill was officially re-opened on 24 October 2002. The mill is kept in full working order and held in reserve should it be needed in an emergency.

Description

Kramersmolen is what the Dutch describe as an spinnenkop. It is a hollow post mill on a single storey square roundhouse. The mill is winded by tailpole and winch. The roundhouse and mill body are covered in vertical boards, while the roof of the mill is boarded horizontally. The sails are Common sails. They have a span of 8.35 metre. The sails are carried on a wooden windshaft. The windshaft also carries the brake wheel which has 26 cogs. This drives the wallower (15 cogs) at the top of the upright shaft. At the bottom of the upright shaft, the crown wheel, which has 26 cogs drives a gearwheel with 25 cogs on the axle of the Archimedes screw. The axle of the Archimedes screw is 200 millimetre diameter. The screw is 680 millimetre diameter . Each revolution of the screw lifts 81 litres (17.8 imp gal) of water.