Originally Posted by gmack
[quote=DMB]
You think a propeller is simply a rotating wing?


Not just me, the whole aerospace industry;

http://www.grc.nasa.gov/WWW/K-12/airplane/propth.html

http://www.centennialofflight.gov/essay/Theories_of_Flight/props/TH18.htm

http://www.amazon.com/Rotary-Wing-A...ewski/dp/0486646475/ref=pd_sim_b_title_2

Don, the secret to lift isn't Bernoulli, its Kutta;

http://en.wikipedia.org/wiki/Kutta_condition

Its the Kutta condition that generates that wonderful velocity distribution, resulting in differential suction. That sharp trailing edge makes a big difference in wing performance.