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S-2 Servo Specifications
The Navaid servo actuator is fast, fast enough to operate in
turbulence and help smooth out the ride. This is made
possible by the use of position feedback (in addition to the
rate feedback used in most autopilots) in the servo
amplifier. Position feedback also makes it easier to
adjust the servo response to that of the aircraft.
The S-2 has about the same torque (30 in-lb) as a comparable
type-accepted servo. The pilot can override the
servo at any time. An adjustable slip clutch is set to
limit the maximum output torque as desired.
When the autopilot is disengaged, the servo becomes free
wheeling. Removing electrical power causes a solenoid to
release, decoupling the gear train.
|
| Voltage: |
14Vdc |
28Vdc |
| Current: |
|
|
|
Max |
3.6A |
1.8A |
|
Quiescent |
.075A |
0.4A |
| Maximum Force and
Travel (peak-to-peak): |
|
Crank Arm, 1" radius |
30lb and 1.25" |
|
Crank Arm, 1.6" radius |
18.5lb and 2.0" |
|
Capstan |
30lb and 7.0" |
| Dimensions, exclusive
of shaft (0.95") and mounting tabs (0.45"): |
|
Length |
4.75" |
|
Width |
3.25" |
|
Height |
3" |
|
Weight |
1.7lb |
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