Environment, Energy and Climate Change
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How to Build a Cretan Sail Windpump
This windpump design was adapted from a series of low-lift windmills developed in Ethiopia. A very successful windpump which when scientifically tested pumped nearly twice as much water as the original design. Contains constructional details and plans.
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A Chinese Biogas Manual
Ariane van Buren, Michael Crook
The production of biogas, which is regarded in many countries as a by-product of an efficient system of energy production, has become in China a comprehensive, controlled method of waste disposal, recycling resources, supplying energy and fertilizer and improving rural health, as the digesting of wa...
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Chinese Chain and Washer Pumps
Chinese Chain and Washer Pumps contains twenty one versions of the chain and washer water lifting device, displayed at the 1958 Peking Agricultural Exhibition, China. Each version of the pump was designed and built by separate communes, using local materials, skills and tools.
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A Manual on the Hydraulic Ram for Pumping Water
Part One contains details of how to make and maintain a small hydraulic ram on a suitable site, whilst Part Two takes a more technical look at ram performances and design considerations and also contains a useful bibliography.