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- A “blocking system” is needed on the handle to avoid return of the handle, if not the "spinning back" of the handle can be dangerous, especially for children.<br>
- Compared to piston pumps the rope pumps splashes more.<br>
- Not protected from pollution; the well remains open and children can (and do) throw stones and sand inside the well.<br>- Cannot be used suitable as a community pumpfor more than 20 families.<br>
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====Maintenance====
Maintenance is limited, and consist mainly of repairing the rope or handle. Evaluations show that rope pumps on communal wells can be maintained by the users under certain conditions. One of the main conditions is a very high level of community coherence and responsability and the absence of alternatives water sourcesresponsibility. If the rope pump technology is introduced properly, like often is the case with the Zimbabwe Elephant Rope pump, up to 90% of rope pumps remain operational, even after many years.
====Manufacturing ====
<b>Ghana</b>
The first experiences with rope pumps in Ghana were discouraging. In a World Bank funded project, 80% did not function after one year because of lack of user involvement and production errors. After improvements some 1.600 pumps were installed, but it was not accepted as an alternative for a standard community handpump.
<b>Malawi, Blantyre trials</b>
Apart from this initiative, PumpAid has also been active in the Chimoio province installing Elephant Pumps which are also rope pumps.
Please see the external links below for further information.
