Windmill airfoil design
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An airfoil (american english) or aerofoil (british english) is the shape of a wing, blade (of a propeller, rotor, or turbine), or sail (as seen in cross-section).. Figure 5. a steel-bladed water pumping windmill in the american midwest (late 1800’s) role of smaller systems. for hundreds of years, the most important. This page is about a windmill experiment. the windmill was built for under $100, and although there is certainly much room for design improvement, it works fairly.