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Is super critical airfoil used to improve the drag at subsonic speed?

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in Aerodynamics by (773k points)
Is super critical airfoil used to improve the drag at subsonic speed?

(a) True

(b) False

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The query is from Modern Low Speed Airfoils topic in portion Incompressible Flow over Airfoils of Aerodynamics

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Correct choice is (a) True

To explain: The super critical airfoil was a major breakthrough in high speed aerodynamics, the super critical airfoil is used to improve the drag at subsonic speeds. The LS-0417 low speed airfoil first introduced as the GA-1 airfoil.

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