The Solar Magnetic Plunger Pump (SMPP) is said to be able to deliver 20-30 m 3 per day from a pump head 15-45m deep – enough, according to Comet-ME, for small plot irrigation or the daily ...
The pump is powered by a small 8 mm diameter brushed DC motor ... The tiny impeller is a section of the syringe’s original plunger, with its cross-shaped body acting as the impeller blades.
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