The NACA airfoil series is a set of standardized airfoil shapes developed by this agency, which became widely used in the design of aircraft wings. == Origins == NACA initially developed the numbered airfoil system which was further refined by the United States Air Force at Langley Research Center.
The NACA airfoil series is a set of standardized airfoil shapes developed by this agency, which became widely used in the design of aircraft wings. == Origins == NACA initially developed the numbered airfoil system which was further refined by the United States Air Force at Langley Research Center.
Source: Wikipedia "NACA airfoil" · CC BY-SA 4.0
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