Question

[Gadfly]

A flat prop at the correct angle with enough power will drive the airplane forward.  It is the mechanics of angle, that is, the screw, that makes propellors work.  Airfoil shapes just make it more efficent.

[Ozark]

Originally posted by Animal
He compared torque with when you wake up in the morning with an erection, and you go to the bathroom to urinate. When you push your erected noodle down in order to aim at the toilet, the rest of your body wants to go up. Thats torque

Hmmm.. The "Pee Factor" strikes again.


This might help in understanding the thrust vectors of a propeller.
http://yarchive.net/air/airliners/p_factor.html