Podcast (pt): Download
If you’ve ever looked out onto a wing and wondered what the strange looking blades and plates attached to it are? Then wonder no longer! An explanation of Vortex Generators and Wing Fences and why we need them.

Vortilons can be seen projecting from underneath the center leading edge of the wings of this Hawker and it also has neat little winglets.
Images under Creative Commons licence with thanks to Adrian Pingstone.