This is COOL! ...
Coanda Effect Flying Saucer demo
[link]http://www.youtube.com/watch?v=eAWVt13K2bM[/link]
[link]http://jlnlabs.imars.com/gfsuav/n02.htm[/link]
The principle demo ... [link]http://www.youtube.com/watch?v=S-SAQtODAQw[/link]
[link]http://www.youtube.com/watch?v=ggUIJDgkSSs[/link]
[link]http://www.youtube.com/watch?v=z5bshCNd4ZQ[/link]
He also has a quad-rotor here too ...
[link]http://jnaudin.free.fr/[/link]
X-UFO/X-3D stuff too ... [link]http://jnaudin.free.fr/uav/xufo/index.htm[/link]
--Eric--