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Rope pump

6 bytes added, 01:27, 10 December 2013
→‎Suitable conditions
===Suitable conditions===
[[Image:horse rope pump.jpg|thumb|right|200px|'''Horse Rope pump''', powered by horses or donkeys. Pumps from wells to 65 m deep. Pump capacity 5 times more than a hand powered model. Used in Nicaragua. Photo: Henk Holtslag]]
A Rope pump can be used to draw water from large diameter hand dug wells of 3 meters to boreholes as small as 6 cm. One person can draw water up from 35 m deep, two persons can pump from 60 m deep (using a second crank) and if powered by an engine it can pump from 100 meters or more. A Rope pump can be driven by hand, bicycle, animals, wind or engines. If well made, a hand Rope pump delivers 35 litres / min from 10 meters depth and halve of that if the well is 20 metres deep. Hand pump models are most commonly used at depths less than 35m.
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