1. 2022-03-01 As we began looking into sustainable and alternative solutions for pumping water, our team began ‘playing around’ with the idea of water wheels for the supply of irrigation water to low elevation farmland. We initially began with research and testing of a pump called a Sling Pump, but gave up...
  2. 2022-03-03 Featured in this AN Playing with Water Wheels: Exploring Low-Cost Methods for Pumping Irrigation Water A 'Successful Failure': Introducting SALT Technology in Northern Thailand Virtual Training Opportunities- email us at echoasia@echocommunity.org
  3. 1985-01-01 This paper examines water pumping systems that use solar radiation as a direct source of energy. We look primarily at small-scale rural applications in the Third World, where the potential benefits are greatest and the near-term economics seem most favorable. Two generic technical approaches for...
  4. 1989-01-01 Supplying power to many remote locations in the world from central generators using customary distribution methods is either economically unfeasible or will be many years in coming. Power, where desirable, will therefore need to be generated locally. Various commercial machinery is marketed, but...