Pump Aid: Elephant Pump Animation

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Uploaded by on Jan 3, 2007

Pump Aid's Elephant Pump was developed and tested in Zimbabwe by Pump Aid and is based on a 2000 year old Chinese rope-and-washer design. It is cheap, simple and durable. It can be easily constructed from materials available locally and can be maintained by local communities. In this clip there is a 3-D animation of the pump, showing it's inner workings during operation. For more information, visit www.pumpaid.org.

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  • Why does the water bypass the lower pipe to come out the upper pipe. Why does it not come out of the lower pipe as well? What is the purpose of the lower pipe?

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