It's not you.
It is a very confusing page. There are similarities between rotating cylinders, but it's not helpful to use them for an introduction to aerodynamics.
Probably easiest to google theory of lift on wiki.
And if you become interested in Flettner rotors, do the same for fanwing.
Do not, under any circumstances do the same for helicopters. For they are evil.
Got that JT.
Last edited by boguing; 28th Jul 2012 at 20:54.