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Treadle Pump vs Rope & Washer

Higly interesting is the comparation between rope pump and Treadle pump:

Small scale irrigation in Africa. Manufactured treadle pump vs farmer made rope and washer pump. Africa Windmill Project teaches village farmers how to build and use rope and washer pumps. The rope and washer pump enables farmers to irrigate their gardens year round for food sustainability.

Organization:Africa Windmill Project - http://africawindmill.org/mala
Year of construction:2011
Depth:5 Meters
Production costs EU100.00
Region:Lilongwe, Malawi