BENDIXKing KFC225, Pilot'S Handbook Manual

Page: 6 / 25

FlightSim Developers
KFC 225 Autopilot
Pilot Handbook
- 6 –
For use with Microsoft Flight Simulator only. Not to be used in real world aviation.
Note
The AP Servo Annunciator will illuminate if any of the Servo Control
Modes is active. For example, if the unit is in Roll Mode and Altitude
Preselect Mode , and the AP Master Key is ON, this annunciator will
illuminate, but the servo for altitude hold will be the only one active.
The Roll Axis is still being controlled in Roll Mode (fixed roll trim).
1.3 CONTROL AXIS
The KFC225 is a three-axis control Flight Director System, providing Pitch Axis, Roll Axis and Yaw
Damper Axis operation.
1.3.1 YAW DAMPER AXIS
Yaw Damper Key . Depress this key to change the present setting. When the key is
illuminated, the mode is active. The yaw damper is independent of autopilot operation.
It is a device designed to reduce the rolling and yawing oscillations due to Dutch Roll . It
requires the installation of yaw rate sensors in the aircraft. The microprocessor in the
KFC225 provides a signal to an actuator connected to the rudder, providing a more
comfortable flight.
Important Note:
Not all Flight Simulator aircraft have yaw
damper sensors installed. This is based on the
plane’s aircraft.cfg file.
In order for the yaw damper to function the
following entry must be present in the
[autopilot]
section of the aircraft.cfg file:
yaw_damper_gain = 1.0
If this value is set to zero the yaw damper
system will not work in Flight Simulator!
If this value is set to zero the Yaw Damper system will not be available in Flight Simulator! Note
that the Control Center tool can format this setting for you. See the Control Center Documentation
for more details.