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直升机飞行教员手册 Helicopter Flight Instructor Manual

时间:2012-06-08 09:45来源:蓝天飞行翻译 作者:航空 点击:

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Emphasise the use of verbal comfirmation before commencing any turns.
The use of a model helicopter will make preparatory instruction much more effective.
Stress the need for correct, comfortable posture in these early stages.
04
POWER AND ATTITUDE CHANGES AND
STRAIGHT AND LEVEL FLIGHT
GROUND SCHOOL POINTS
Flight manual: engine, transmission and airspeed limitations
PREPARATORY INSTRUCTION
Aim
For the student to learn:
? the relationship of horizon and fuselage attitudes to indicated airspeed
? the correct methods of selecting or changing engine power (e.g. manifold pressure and rotor rpm)
? how to fly straight and level in balanced flight at selected airspeeds or power settings
Review
Exercise 3: Effects of Controls Motivation
Airspeed and power changes form the basis of all helicopter flying, and they must be performed smoothly and accurately.
Airmanship
? Lookout
? Engine and transmission limitations
Teaching Points
? Airspeed changes
Explain how a reduction in speed from the cruise to a specific airspeed is effected (e.g. from 70 to 50 knots):
Move the cyclic aft to raise the nose of the helicopter.
Pause while the airspeed stabilises. Adjust airspeed as necessary.
Explain the method of accelerating to a specific airspeed:
Move the cyclic forward to lower the nose of the helicopter.
Pause while the airspeed stabilises. 
Adjust the airspeed as necessary.
Point out that cyclic movements should be small and made smoothly. Large or hurried movements should be avoided.
? Power changes
Describe the relationship between collective and throttle movement, as appropriate to type.
Describe the effect that power changes have on balanced flight due to torque changes.
Where appropriate, describe the methods of: changing manifold pressure at constant rotor RPM
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