CSP–900RFM206E–1
ROTORCRAFT FLIGHT MANUAL
MD900 With PW 206E
Systems Description
Original
7–15
Anti−torque Controls:
The anti−torque pedals are adjustable fore and aft and include an adjustable
friction device. They operate through a pushrod/bellcrank system and a single
hydraulic actuator to control the rotation of the direct jet thruster and change
the blade pitch angle of the NOTAR
fan to maintain constant air pressure
in the tail boom as the thruster nozzle opens and closes. The hydraulic actuator
operates the NOTAR
fan blade pitch through a pushrod/bellcrank/cam linkage,
and the thruster rotation through a push/pull type cable along the length of
the tailboom and a local tension cable loop at the thruster. The pedals do not
control the vertical stabilizers.
Attached to the lower directional crank assembly is the pedal anticipator. The
pedal anticipator provides the EEC’s an indication of impending anti−torque
fan pitch change, which allows the EEC’s to anticipate an increase in power
demand. The pedal anticipator also allows the IIDS to display and record pedal
position.
Содержание MD900 with PW206E
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