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直升机飞行员执照训练大纲 TRAINING SYLLABUS FOR ISSUE OF HELICOPTER PILOT LICENCES(55)

时间:2011-12-29 13:44来源:蓝天飞行翻译 作者:直升机

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f) Flying controls
-the three planes
-pitching about the lateral axis
-rolling about the longitudinal axis
-yawing about the normal axis
-effects of cyclic, collective and rudder pedal inputs
-stabilizer and rudder
-control in pitch, roll and yaw
-cross coupling, roll and yaw
-effect of rotor configuration on control power
g) Blade-stall
-angle of attack
-boundary layer and reasons for stalling
-variation of lift and drag in the stall
-movement of the centre of pressure
h) Transonic effects on blades
-shock waves
-the reasons for their formation at subsonic speed
-their effect on the handling and operation of the helicopter
i) Limitations
-manoeuvring and gust envelope
j) Performance degradation
-adverse on performance due to profile contamination
-icing
-rain
-modification to and condition of the airframe
3. Helicopter Aerodynamics
a) The helicopter and associated terminology
-comparison with fixed wing and autogiro
-plane of rotation
-axes of rotation
-rotor shaft axis
-tip path plane
-rotor disc
-disc loading
-blade loading
b) The forces diagram and associated terminology
- pitch angle
-rotational airflow
-induced airflow
-relative airflow to the blade
-angle of attack
-drag-blade
-total reaction – blade
-
rotor thrust

-
rotor drag


-torque
-weight
c) Uniformity of rotor thrust along blade span
-blade twist
-taper
-coning angle
-centrifugal force
-limits of rotor RPM
-centrifugal turning moments
d) Helicopter Controls
-
collective lever

-
collective pitch changes


-relationship with rotor thrust and rotor drag
 
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