Consider an airplane with rectangular straight wing at dihedral angle T = 100 .

Question

Consider an airplane with rectangular straight wing at dihedral angle T = 100 . Lift curve slope of wing airfoil section (constant over the whole span of the wing) is cla = 5.4/rad. The roll stability derivative, Clb in per radian is __________

Options:

A . 0.25 to 0.26

B . -0.25 to -0.26

C . 0.23 to 0.24

D . -0.23 to -0.24

Answer: Option D

-NA-

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