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Q:

What is the effect of dihedral wings on lift?

A:

Dihedral or anhedral are words that describe how stable a wing is. Dihedral is more stable while anhedral is less stable when a plane rolls. Wing dihedrals create “inherent stability,” which allows the plane to right itself after rolling.  If a plane has more dihedral, its stability will increase, but lift will decrease and drag will increase.