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Published on Dec 7, 2013
Updated presentation of unique oscillating wind pumps, based on 5 summers of pumping , strengthening and improving in pumping windy dairy farm pond. New features are cam to sure start the motion and very simple auxiliary High Pressure Air Pumping.. New RhinoHide pump belt, looping, and end connections. Bigger Integral Air Chamber and Straightened Wing give very symmetrical more powerful pumping