Originally Posted by
flynerd
I doubt that. The mass of the fuselage would be the same with or without winglets. So the load on the pickle forks would not be altered by the addition of winglets or bigger wings or whatever.... Lift = gravity
The bending moment at the pickle forks will vary on any change to the wing length, profile, weight or any other factor.
They transfer loads in all directions not just a fuse mass to wings.