Simrad AUTOPILOT SYSTEM AP50 User Manual
Page 156
Simrad AP50 Autopilot
154
20221032B
Minimum Rudder
4.0°
Rudder deadband
0.3°
P-factor/Counter Rudder 1.0°
Total rudder amount 5.3°
Range: 0 to 10° in 0.1° increments
Default: 0°
Turn mode
This allows for the selection of Rate of Turn (ROT) steering or
Radius (RAD) steering.
When ROT steering is selected, Rate of Turn and W Rate of
Turn are shown in the Settings menu.
If RAD steering is selected, Radius and W Radius are shown.
Default: ROT
Rate of Turn
The Rate of Turn sets the turning speed of the vessel used by
the autopilot during large turns.
Range: 5°/minute to 720°/minute.
Default: Dependent on boat length.
W Rate of Turn
As for Rate of Turn above but applies for the Work-modes.
Radius
SETTINGS
Nav
gain
3.5
Minimum rudder 0.0°
Turn mode
RAD
Radius 0.06NM
W Radius
0.28NM
Added stop time 0s
Init
NAV
Firm
Turn
Gain
1.0
W Turn Gain
10.0
Rate sensitivity 15
This sets the size of the turning circle for the vessel used by the
autopilot during large turns.
Range: 0.01 to 0.99 nautical mile.
Default: Calculated from default Rate of Turn
W Radius
As for Radius above but applies for the Work-modes.
Added stop time
On larger vessels (typically above 300’) or quickly turning small
boats, the counter rudder may be insufficient to avoid
overshooting large turns. The Added stop time parameter is
used to stop a turn earlier to avoid overshoot.
Range: 0 to 60 seconds