Classic wind-mill blade inspires one for a wind turbine

By Paul Dvorak A new design for turbine blades is said to overcome most of the handicaps of conventional designs including cost, manufacturing complexity, and maintenance. Inspiration came from a classic Dutch windmill that used several sections of canvas on each blade. Instead of canvas, the student pilot and inventor Phillip Ridings began questioning conventional reasoning, “Why not use small and more aerodynamic winglets supported by a frame? The blade would cut through the air, like a knife, yet capture all the winds power by simply connecting these smaller more efficient airfoils to the leading and trailing edges?”
“The blade would be lighter than

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