I did a Google search for "Minix wing tip"
Came up with....
https://www.google.com/search?q=%22M...sm=93&ie=UTF-8
This page (out of the 1st link) is sorta interesting (it's on page 3 of the above search).
http://www-mip.onera.fr/projets/Wake...Durston%5D.pdf
Most of the pages are old, the "newer ones" basically regurgitated the older info......
Curious on what others here think/feel/know......