Rope pump

2010-09-23T10:50:53Z

12.183.71.3: /* History */ corrected grammar

A '''rope pump''' is a kind of [[pump]] where a loose hanging rope is lowered down into a [[Water well|well]] and drawn up through a long pipe with the bottom immersed in water. On the rope, round disks or knots matching the diameter of the pipe are attached which pull the water to the surface.

==Description==
[[Image:demo rope pump in apeldoorn.jpg|thumb|Rigid valve rope pump]]
A rope pump is a kind of [[pump]] of which the main or most visible component is a continuous piece of rope, in which the rope is integral in raising water from a [[Water well|well]]. Rope pumps are often used in [[Developing country|developing areas]] with the most form consisting of a [[Polyvinyl chloride|PVC]] [[Plastic pressure pipe systems|pipe]] and a rope with flexible or rigid valves. Rope pumps are cheap to build and easy to maintain. One design of rope pump using a solar-powered rope pump can pump 3,000 litres per day using a 80 watt [[solar panel]] .<ref name=SolarAid/> Rope pumps can be powered by low speed petrol/diesel/engines, electricity<ref>{{cite web|url=http://www.daenvis.org/ropepump9.htm|title=Moto Rope pumps|accessdate=2009-04-10}}</ref>, human energy<ref name=thefarm>{{cite web|url=http://www.thefarm.org/charities/i4at/lib2/ropepump.htm|title=Bicycle Rope Pump|accessdate=2009-04-10}}</ref>, wind<ref>{{cite web|url=http://www.gamos.demon.co.uk/just%20gamos%20homepage/henkfnl2.htm|title=THE ROPE WIND PUMP|accessdate=2009-04-10}}</ref> and from solar.<ref name=SolarAid>{{cite web|url=http://www.solar-aid.org/project_water_pump/|title=Solar powered water pump|publisher=Solar Aid|accessdate=2009-04-10}}</ref>

==History==
Chain or washer pumps were used by the [[China|Chinese]] over 1000 years ago. In the 1980's the first steps were made to improve the rope pump using PVC pipes plastic moldings in [[Nicaragua]]<ref name=Ropepumphistory>{{cite web|url=http://www.ropepump.com/his/his.htm|title=history|publisher=Ropepump.com|accessdate=2009=04-10}}</ref>. The technology was rapidly disseminated over the whole country and 25% of the rural population in Nicaragua now use rope pumps. It is also used in other parts of Central America with over 25.000 pumps have been installed to date<ref>{{cite web|url=http://www.ropepump.com|title=history|publisher=Ropepump.com|accessdate=2009-04-10}}</ref> and is also being used in Africa<ref name=SolarAid/>.
By the end of 2009 more than 4 million people in 20 countries worldwide were using rope pumps for domestic and irrigation water.

Rope pump technology is in the public domain and there are no patents pending on it.<ref name=Ropepumphistory/>

==See also==
* [[Chain pump]]

==References==

{{reflist}}

==External links==
* [http://www.ropepumps.org rope pump site]
* [[appropedia:Rope pump|Rope pump]]
* [http://www.amazon.com/dp/1853390224 Robert Lambdon's book]

{{DEFAULTSORT:Rope Pump}}
[[Category:Pumps]]

{{Watersupply-stub}}

[[nl:Touwpomp]]

Archive:More about language

2007-04-28T12:56:45Z

12.183.100.8:

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Rope pump

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