There has been some discussion before about using zz-tape or turbulator tape to attach the air flow to the vehicle. Neil Blanchard discussed it in his xA thread
http://ecomodder.com/forum/showthrea...ds-2969-5.html. Starting with post #88. The zz-tape is a considerably less expensive option. Here is some info about turbulator tape on sail plane wings.
Turbulators on Standard Cirrus Sailplanes