Originally Posted by
Check Airman
Does anyone have any insight as to why Boeing designed the wing that way?
Perhaps to reduce the twisting load on the wing structure?
AFAIK, the only bigger Boeing that has only one set of ailerons (i.e. not high speed/low speed pairs) is the 757. Even the 727 was fitted with high speed ailerons, though its span is sevral feet less than that of the 737NG.