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|  CHAPTER 5
HELICOPTER AERODYNAMICS WORKBOOK
CHAPTER FIVE REVIEW ANSWERS
1.
retreating blade stall and compressibility
2.
left of center
3.
vibration, loss of longitudinal control, cyclic feedback, violent pitch oscillation.
4.
True
5.
False
6.
powered . . . descending . . . low . . . ground effect
7.
True
8.
False
9.
Sideward force . . . ground pivot point
10.
smoothly lower the collective
11.
True
12.
Engine and tail rotor failures in forward flight
13.
aft
14.
low frequency
15.
tail rotor
16.
medium frequency
5-16 FLIGHT PHENOMENA
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