james otis jr. said we are not retreating we're advancing in another direction.
james otis jr. said we are not retreating we're advancing in another direction.
who said we are not retreating we're advancing in another direction?
james otis jr.
Na
Na
retreating blade stall









































retreating blade stall is a hazardous flight condition in helicopters and other rotary wing aircraft, where the retreating rotor blade has a lower relative blade speed, combined with an increased angle of attack, causing a stall and loss of lift. retreating blade stall is the primary limiting factor of a helicopter's never exceed speed, v.









































section::::advancing vs. retreating blades.









































a rotor blade that is moving in the same direction as the aircraft is called the "advancing blade" and the blade moving in the opposite direction is called the "retreating blade."
retreating blade stall