Originally Posted by
sailingfun
It is actually the opposite. The original design for the 767-400 was a winglet but the increased span would not allow LGA operations. Delta told Boeing they would not buy the aircraft unless it would fit in LGA since it was intended at the time as a domestic L1011 replacement. The raked wingtip was a redesign to reduce the span and get the aircraft into LGA.
Hmmm. The raked wingtip takes the span out horizontally while the winglet takes it to the vertical. Both achieve essentially the same performance effect. Not sure how the same wing with a winglet would have a longer span than with a rake.