The NACA LS (1) 04XX airfoils when compared to NACA airfoils with sa – McqOptions

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1.	The NACA LS (1) 04XX airfoils when compared to NACA airfoils with same thickness had higher L/D ratios. For a lift coefficient of 1.0, what was this increase approximately in percentage?
A.	80%
B.	20%
C.	50%
D.	Less than 10%
Answer» D. Less than 10%

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