Center of gravity./..~'(,

Elevator andstabilizer

./Ailerons and

spoilers

Rudder Control S stem,

Rudder aftcontrol quadrant

/~RUdder

___ _lie _ Standby rudder actuatorB,-

II

I ~ II I

I' ,-~--

'-:!~Feel and centering mechanism• Rudder trim actuator

I RA I RBI

Ruddercontrolcables

-III

I II III AI________ 1

Rudder trimcontrol switch

Note: There is no connection betweenthe rudder and the autopilot.Rudder position is always directlyindicated by rudder pedal position.

Aerodynamic Design ApproachRudder and Yaw Damper Limits

Rudder

Maximum ----..yaw damperauthority

Maximum rudder deflectionat zero airspeed.

Rudder deflection goesdown as airspeed increases.

Rudder Control System Overview

External summing lever

Standby actuator

Yaw damper --.jactuator

Trim and feel rod ~

Centering unit output crank - ""'"

Rudder controlcable B -----....

Input linkInput crank

'\. "- Rudder power unit"'---- Control rod

Torque tube

--- Feel-and-centering unit

FWD

Power Control Unit

Main Rudder PCU Linkages

Yaw damperactuator

Extern.al~summing \lever

~utcrank

Rudder attach point

~- Control valve

Pilot controlrod attachpoint--

-,-,,''' t)

" ,

'-Input /">,,link ,," ,,", ,, ,

" ,/ /, ,, ,, ,, ,

, "" ,, ,"