Why does the trailing edge of a supercritical airfoil have a cusp-like shape?

Question

TuteeHUB · Accepted Answer

Counter highly positive camber at the front end

TuteeHUB · Answer

Reduce drag

TuteeHUB · Answer

Counter highly negative camber at the front end

TuteeHUB · Answer

Counter highly positive camber at the front end

TuteeHUB · Answer

Increase fuel carrying capacity in the wing

1.	Why does the trailing edge of a supercritical airfoil have a cusp-like shape?
A.	Reduce drag
B.	Counter highly negative camber at the front end
C.	Counter highly positive camber at the front end
D.	Increase fuel carrying capacity in the wing
Answer» C. Counter highly positive camber at the front end

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