Pump water without external power? Sounds suspicious, but ram pumps have done just that for decades. Here's a book that tells how they work. Describes how rams use falling water to lift water to high elevations. Refers to specific models, with details on installation and design.

200 watts when the water only drops 3 feet! 1000 watts when you have 10 feet of head. Works with as little as 2 feet and 500 gpm - you need 1000 gpm with the 10 foot, 1000 watt output. Simple Installation, high efficiency, precision parts - brushless, low maintenance, and weatherproof. 5" dia ...

Oasis Design - Ecological systems design. Water, wastewater, and grey water systems, edible landscaping, transport bicycles, and more. Books, articles, and consulting.

Capture rain water to ease drought-like conditions in your garden with this heavy-duty, 0.1875" thick, recycled food-grade polyethylene Rain Barrel. Multiple barrels can be linked with an ordinary garden hose. Features overflow fitting, drain plug, screw-on cover and threaded spigot. ...

Part of the Renewable Energy with the Experts series, this 59 minute video features solar-pumping pioneer Windy Dankoff, who has more than 15 years experience in the field. Windy demonstrates practical answers to all the most common questions asked by folks facing the ...