We have begun testing the aeration of the pond and the abilities of the Twin Rotor Venturi Wind Turbine. The mill is pumping air from 2 "Koenders" single diaphram pumps over 850 feet to the remote pond. Today I was measuring wind speeds between 10 MPH gusting to 19 MPH.
I am considering removing the 36" airfoils on each rotor (inner diameter) because I do not think I need them. The rotors cannot be stalled now so I will test to see if they are even required. At best they just help in really low wind speeds for start up. I will be better off with less weight and allowing more air to flow through the rotors.
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