Originally Posted by chornedsnorkack
But just how does the effect of a winglet on a wake vortex compare with effect of simple wingtip extension?
I think it's essentially the same thing, an increase in span, but without increasing the overall dimensions of the a/c excessively. Like I say, I'm no expert, merely trying to drag up long forgotten P of F lessons.
Regarding the infinite aerofoil. Again I'm only guessing. Wake vortex is essentially caused by the span wise flow of air along the wing, due to the high and low pressure areas. If you take the infinite aerofoil, theoretically there would be no span wise flow and therefore no induced drag and wake vortex. Lots of profile drag though! Is that correct or am I completely rudderless now?!
Look forward to hearing the answer!
