The RF40 is a resistive rudder feedback unit, suitable for autopilot systems with a
NAC-1 or NAC-2 autopilot computer.
¼ Note: The RF40 can not be used with the NAC-3 autopilot computer.
The RF40 might also be used with autopilot computers that have analog rudder
feedback input.
¼ Note: Do not remove the transmitter lever from the feedback unit.
¼ Note: The unit is factory adjusted and requires no further adjustment at
installation than described below.
Mounting location
The RF40 unit (A) mounts close to the rudder, and is mechanically linked to the
rudder tiller arm (B) or rudder quadrant.
Select a mounting location for the RF40 unit according to the illustration
• X1 = X2: min 150 mm (5.9”), max 345 mm (13.6”)
• Y1 = Y2: min 44 mm (1.7”), max 130 mm (5.1”)
X2
X1
Y1 Y2
X1 = X2
Y1 = Y2