We tested a new type of pump today at Chifuchambewa. The ram pump takes in a high volume of water from a small dam, and puts out a small volume at a higher elevation.
The output is continuous and uniform, which makes irrigation with the pump easy to plan.you get exactly the same amount of water every day. The output is low right now because of the height to which it pumps (almost 40'). Still it will provide over 1,000 gallons daily.