Additional Information

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Autopilot Features

Model Track
Selector

GPS
Nav
Mode

Altitude
Hold
Trim
Sensing
Servo
Vertical
Speed
Select
GPS
Steering
VOR/Loc ILS Modes Vertical GPS Steering Altitude
Select
Auto
Pitch
Trim
Yaw
Damper
Altrak
Altrak VS
Digitrak
ADI PIlot II
DigiFlight II VS optional optional
DigiFlight II VSGV optional optional
AFS Pilot ‡ optional optional
GX Pilot ‡ optional optional
Sorcerer 1 optional optional
EFIS GP/SG w/servos optional
EFIS AP IlI optional optional
EFIS AP IV optional optional optional

‡ Offers full integration with Advanced Flight Systems EFIS or Garmin G3X, repsectively

Servo Torque and Weight

Size Max Torque Residual Torque Max/Residual Ratio Weight
A 20 in/lb 0.8 in/lb 25 1.4 lb
B 30 in/lb 1.2 in/lb 29 1.8 lb
C 40 in/lb 1.8 in/lb 30 2.5 lb
D 50 in/lb 2.4 in/lb 32 3.0 lb
HT 100 in/lb 0 in/lb N/A 3.0 lb

 

Autopilot Definitions

(Setting range 0 – 24) The velocity at which the servo moves the control surface. The higher the number the more movement you will see in the control surface. With a standard servo (DSB-X, DSP-X) you should start at 0 then work your way up in flight to set the level for your aircraft. The High Torque Servo (DSB-HB, DSB-HC) has a different gear ratio, so an Activity setting of 12 will be equal to about 0. With too low a setting the aircraft will hunt slowly and appear to be lazy. With too high a setting the aircraft will hunt rapidly, and appear nervous and jittery.
(Setting range 0-12) The holding force that the servo has on the control surface. This setting should not be too low; the reason is that the servo will not be able to fly the aircraft in turbulence. The lower the setting the easier it is to override the servo if you need to. It is recommended that the torque be set in moderate turbulence, so that one can be certain that the level is not set too low.
(Setting Range 600-9600) This is the communication speed that must match your GPS serial output setting. Most handhelds are 4800 and most panel mounts are 9600.
(Setting Range 0-2) This setting is used to compensate for lag in the aircraft static system. This setting is usually not adjusted. This value is used to remove very slow hunting, of more than 15 to 30 feet, in altitude hold when adjusting the activity setting does not solve the problem. This is NOT the setting to adjust if there is slight nose bobble in still air; the setting for that situation is HALF STEP. We recommend factory assistance before adjusting this value.
(Setting Range 0-32) This is used to remove the significant lost motion in the control system, usually a cable control system. Most aircraft do not need this changed from 0. An example of when one might need to adjust microactivity is: If flying in still air, there is a very slight wing rock that can not be solved by adjusting the ACTIVITY setting.
(Setting Range Low – High) This setting limits the maximum bank angle of the aircraft to approximately 13 degrees at the low setting, 18 degrees at the medium setting, and 24 degrees at the high setting.
(Setting Range 16-32) This setting should normally left at 16. It is used only in GPS systems that are capable of GPS Steering, to increase the lateral authority of the GPS Steering information from the GPS.
(Setting Range 0-399) This setting is the minimum airspeed in knots that the autopilot will fly the aircraft. Example: If the aircraft is climbing and the power setting is not adequate to maintain selected vertical speed setting, the autopilot will lower the nose until MIN AIRSPD setting is met.
(Setting Range 0-399) This setting is the maximum airspeed in knots that the autopilot will fly the aircraft. Example: If the aircraft is in a decent and the power is not reduced so as to keep the airspeed below the MAX AIRSPD setting, the autopilot will raise the nose until MAX AIRSPD setting is met.
Setting Range 0-399) This setting is the airspeed, in knots, that the autopilot will start a climb when a preselected altitude is selected. This setting is only in the Sorcerer autopilot.
(Setting Range 0-16) This setting controls the volume of the Speech output. This setting is only in the Sorcerer, RV 10, and AP100 autopilots.
(Setting Range N or Y) This setting will cause the servo to take smaller steps, but will also reduce the torque available. Normally this setting is “N”, if the aircraft nose moves up and down very slightly in VERY calm air, and it can be verified that the servo is only moving one step for each “bobble” of the nose, then select “Y”. Only very light aircraft that are extremely pitch sensitive will need to adjust this setting.
(Setting Range N or Y) This setting indicates if the aircraft has an input from an HSI heading bug. TruTrak autopilots input rage is 0 to 5 volts.
(Setting Range N or Y) This setting indicates if the aircraft has a Yaw Damper system installed.YAW LEVELING (Setting Range-8 -8) This setting is used to have the Yaw Damper keep the aircraft slip/skid indicator centered when the Yaw system is engaged. Allow a few seconds for the Yaw System to respond to the new setting.
(Setting Range0-12) The velocity at which the servo moves the control surface. The higher the number the more movement you will see in the control surface.