Cornwerdermolen
{{Short description|Smock mill in Friesland, Netherlands}}
{{Infobox Windmill
| name = Cornwerdermolen
| image = Cornwerd - De Cornwerdermolen.jpg
| image_size = 300px
| caption = De Cornwerdermolen, September 2008
| name_of_mill = De Cornwerdermolen
| location_of_mill = Sotterruimerdijk 13, 8753 JA Cornwerd, Netherlands
| coordinates = {{coord|53|04|46|N|5|24|06|E|type:landmark_region:NL|display=inline,title}}
| operator = Wetterskip Fryslân
| built = 1907
| purpose = Drainage mill
| type = Smock mill
| storeys = Three-storey smock
| base_storeys = One-storey base
| roundhouse storeys =
| smock_sides = Eight sides
| sail_number = Four sails
| sail_type = Patent sails
| windshaft = Cast iron
| winding = Tailpole and winch
| auxpower =
| pairs_of_millstones=
| stone_size =
| saw_type =
| pump_type = Archimedes' screw
| scoop_dia =
| lost =
|other =
}}
The Cornwerdermolen is a smock mill in Cornwerd, Friesland, Netherlands, which has been restored to working order. The mill is listed as Rijksmonument number 39329.{{cite web |url=http://www.molens.nl/dbase/molen.php?&molenid=805 |title=Technische gegevens |publisher=De Hollandsche Molen |language=nl |access-date=2 January 2010 |archive-url=https://web.archive.org/web/20120527125944/http://www.molens.nl/dbase/molen.php?&molenid=805 |archive-date=27 May 2012 |url-status=dead }} (Click on Technische gegevens to view.)
History
The Cornwerdermolen was built in 1907 by millwright J H Westra of Franeker. The mill originally drained two polders, each via a separate Archimedes' screw. Five windmills were put out of work by the construction of the Cornwerdermolen and were demolished. The smaller of the two screws was later removed. The mill was restored in 1969. it worked until 13 November 1972,{{cite web|url=http://www.molendatabase.nl/nederland/molen.php?nummer=54 |title=Cornwerd, Friesland |publisher=Molendatabase |language=nl |access-date=2 January 2010}} when it lost two sails in a storm. Thereafter the work of the mill was done by an Archimedes' screw driven by a tractor. The tractor was later replaced by an electric motor.{{cite book | last =Stichting De Fryske Mole | year = 1995| title = Friese Molens| pages = 207| publisher = Friese Pers Boekerij bv| location = Leeuwarden |language=nl |isbn= 90-330-1522-6}} The mill was restored in 1999. It is the most westerly windmill in Friesland.{{cite web |url=http://www.molens.nl/dbase/molen.php?&molenid=805 |title=Geschiedenis |publisher=De Hollandsche Molen |language=nl |access-date=2 January 2010 |archive-url=https://web.archive.org/web/20120527125944/http://www.molens.nl/dbase/molen.php?&molenid=805 |archive-date=27 May 2012 |url-status=dead }} (Click on Geschiedenis to view.)
Description
{{For|an explanation of the various items of machinery|Mill machinery}}
The Cornwerdermolen is a three-storey smock mill on a single-storey base. There is no stage, the sails reaching almost to the ground. The mill is winded by tailpole and winch. The four Patent sails, which have a span of {{convert|20.00|m|ftin}}, are carried in a cast-iron windshaft which was cast by H J Koning, Foxham, Groningen in 1907. The mill in winded by a tailpole and winch. The windshaft also carries the brake wheel which has 59 cogs. This drives the wallower (34 cogs) at the top of the upright shaft. At the bottom of the upright shaft, the crown wheel (103 cogs) drives the Archimedes' screw via a gearwheel with 37 cogs. The axle of the Archimedes' screw is {{convert|715|mm|ftin|0}} diameter and the Archimedes' screw is {{convert|1.52|m|ftin}} diameter. It is {{convert|4.63|m|ftin}} long, inclined at 19½°. Each turn of the screw lifts {{convert|1147|L|impgal}} of water.
Public access
The Cornwerdermolen is open to the public by appointment.{{cite web |url=http://www.molens.nl/dbase/molen.php?&molenid=805 |title=Informatie |publisher=De Hollandsche Molen |language=nl |access-date=2 January 2010 |archive-url=https://web.archive.org/web/20120527125944/http://www.molens.nl/dbase/molen.php?&molenid=805 |archive-date=27 May 2012 |url-status=dead }} (Click on "Informatie" to view.)
References
{{reflist}}
{{Dutch Windmills}}
{{DEFAULTSORT:Cornwerdermolen}}
Category:Windmills in Friesland
Category:Windmills completed in 1907
Category:Smock mills in the Netherlands