82-04. (H) Main rotor aerodynamics
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1. A “vortex ring state”:
2. A nose down pitch attitude in forward flight is caused by:
3. What part of the disc is affected by retreating blade stall?
4. When a helicopter is operating in ground effect (IGE) under the same environmental conditions than the helicopter OGE the blade section:
5. For a rotor which turns in a clockwise direction seen from above, in a sideways hover to the right, with zero wind, the pilot will see the retreating blade:
