At 20:24 27 February 2015, ND wrote:
interesting article about a potential winglet replacement for jets.
I personally think that winglets have more sex appeal though, especially
maughmer's.
http://www.gizmag.com/minix-wing-tip-vortex-aircraft-
aerodynamics/15526/
That's quite old ,has it moved on ?
Anything that improves performance is worth a try .And something that
makes it easier to fit the covers is a bonus.