Originally Posted by
Hawaii50
The raked wing tips on the 777 and 767-400 have about the same effect as winglets on a traditional wing design. The raked design coupled with the increase in span is more effective at reducing drag (disrupting vortices) and increasing performance than a winglet.
I've always wondered why Boeing went with a winglet for the 763ER as opposed to the raked tip which was already on the 764ER? They are essentially the same wing, no?