video://www.youtube.com/watch?v=4eJLEh5–1w
Check out this awesome DIY that shows you how to make a green water pump that can pressurize water upto 28psi without use of any electricity or gas, just water. I can see this thing saving local farmers a LOT of money, great DIY!
The one I built has a few novelties that make it more reliable, cheaper and easier to operate than most of the plans you find on the Internet. It developed a steady 28psi pressure at the pump and delivered about 1,000 gallons per day where we wanted it.
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