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Different types of airfoils
The wings and stabilizers of, as well as rotor blades, are built with airfoil-shaped cross sections. Airfoils are also found in propellers,, and . Sails are also airfoils, and the underwater surfaces of sailboats, such as the,, and, are similar in cross-section and operate on the same principles as airfoils. Swimming and flying creatures and even.
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