De Poelen, Dronryp

*De Poelen, Dronryp*
De Poelen, Dronryp
	De Poelen, December 2008
Origin
Mill name	De Poelen; De Puollen
Mill location	Puoldyk 69a, 9035 VC Dronryp
Coordinates	53°11′34″N 5°40′13″E
Operator(s)	Stichting Molens in Menameradiel
Year built	1850
Information
Purpose	Drainage mill
Type	Smock mill
Storeys	Three-storey smock
Base storeys	One-storey base
Smock sides	Eight sides
No. of sails	Four sails
Type of sails	Common sails
Windshaft	Cast iron
Winding	Tailpole and winch
Type of pump	Archimedes' screw

De Poelen or De Puollen is a smock mill in Dronryp, Friesland, Netherlands which was built in 1850. The mill is listed as a Rijksmonument, number 28612.[1]

History

De Poelen was built in 1850.[2] It was built to drain the 365 hectares (900 acres) Oosterpolder.[3] During its working life, the mill was fitted with Patent sails which had Dekkerised leading edges. The mill was restored in 1984-85,[2] after years out of use and in decline.[4] De Poelen was officially reopened on 27 April 1985.[2] The mill now only pumps water in a circuit for demonstration purposes.[3]

Description

De Poelen is what the Dutch describe as a "grondzeiler" . It is a three-storey smock mill on a single-storey base. There is no stage, the sail reaching almost to the ground. The smock and cap thatched. The mill is winded by tailpole and winch. The sails are Common sails. They have a span of 19.10 metres (62 ft 8 in). The sails are carried on a cast-iron windshaft, which is bored through to take the striking rod for Patent sails. The windshaft also carries the brake wheel which has 58 cogs. This drives the wallower (35 cogs) at the top of the upright shaft. At the bottom of the upright shaft, the crown wheel, which has 53 cogs drives a gearwheel with 38 cogs on the axle of the Archimedes' screw. The axle of the screw is 350 millimetres (1 ft 2 in) diameter and the screw is 1.50 metres (4 ft 11 in) diameter and 4.50 metres (14 ft 9 in) long. The screw is inclined at 20°. Each revolution of the screw lifts 919 litres (202 imp gal) of water.[2]

Public access

De Poelen is open to the public by appointment.[5]

gollark: I'm sure you can eventually with better explanations than mine.

gollark: Desmos is plotting y = f(x). If you feel happier about it, you can substitute the content of the function into that and get y = 2, which is obviously just a flat line.

gollark: The coordinates of the points are (x, f(x)).

gollark: f(x)=1 isn't x=1.

gollark: Sorry, I just mean "not equal".

References

"Technische gegevens" (in Dutch). De Hollandsche Molen. Archived from the original on 27 May 2012. Retrieved 10 January 2010. (Click on "Technische gegevens" to view.)
Stichting De Fryske Mole (1995). Friese Molens (in Dutch). Leeuwarden: Friese Pers Boekerij bv. p. 179. ISBN 90-330-1522-6.
"Geschiedenis" (in Dutch). De Hollandsche Molen. Archived from the original on 27 May 2012. Retrieved 10 January 2010. (Click on "Geschiedenis" to view.)
"Dronrijp, Friesland" (in Dutch). Molendatabase. Retrieved 10 January 2010.
"Informatie" (in Dutch). De Hollandsche Molen. Archived from the original on 27 May 2012. Retrieved 10 January 2010. (Click on "Informatie" to view.)

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[Tech-1] "Technische gegevens" (in Dutch). De Hollandsche Molen. Archived from the original on 27 May 2012. Retrieved 10 January 2010. (Click on "Technische gegevens" to view.)

[Friese-2] Stichting De Fryske Mole (1995). Friese Molens (in Dutch). Leeuwarden: Friese Pers Boekerij bv. p. 179. ISBN 90-330-1522-6.

[History-3] "Geschiedenis" (in Dutch). De Hollandsche Molen. Archived from the original on 27 May 2012. Retrieved 10 January 2010. (Click on "Geschiedenis" to view.)

[Data-4] "Dronrijp, Friesland" (in Dutch). Molendatabase. Retrieved 10 January 2010.

[Open-5] "Informatie" (in Dutch). De Hollandsche Molen. Archived from the original on 27 May 2012. Retrieved 10 January 2010. (Click on "Informatie" to view.)