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Is NASA designed low speed airfoils?(a) True(b) FalseI have been asked this question in unit test.This interesting question is from Modern Low Speed Airfoils in portion Incompressible Flow over Airfoils of Aerodynamics

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Right answer is (a) True

The explanation is: During 1970s, NASA designed a series of low-speed airfoils that have performance superior to the EARLIER NACA airfoils. The standard NACA airfoils were based ALMOST EXCLUSIVELY on experimental DATA obtained during 1930s and 1940s.



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