When it makes it to gliders those tips will be fun to tape.
On Thursday, July 28, 2016 at 9:16:16 AM UTC-4, Luke Szczepaniak wrote:
Came across this the other day.. The wingtip belongs to an Eurotech E-310 drone.

http://www.defence24.pl/media/cache/...7f44aae96.jpeg

Looks like a mix of a standard winglet and the experimental tip on the Dyn'Aero
http://www.bydanjohnson.com/articleart/343_4.jpg

Luke