Sitex Sp110 Auto Pilot Virtual Feedback 12ci Pump



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Designed for small boats, the SI-TEX SP-110 autopilot brings all the features of more expensive models into a single compact unit, without the need for a separate junction box. It works with rudder feedback units or it's also fully capable of Virtual Feedback operation. Suitable for small motorboats as well as sailing yachts up to around 15 meters.

Designed to an industry standard 110mm square casing it fits nicely together with other instruments. SI-TEX has developed the SP-110 to provide performance and reliability for the small boat user. There are simply no other autopilots on the market so compact and easy to install with the same level of functionality.

The SP-110 can operate as a stand-alone system with the control unit and compass connected to either reversing pumps or mechanical drive units. Alternatively, the system can be integrated via NMEA-0183 interface with navigational aids such as a GPS or GPS plotters to provide waypoint steering. The SP-110 also features a Wind steering Mode that enables the unit to steer to wind when interfaced via NMEA-0183 to a Wind Sensor.


  • Splashproof Control Unit with large, easy to read backlit display
  • Simple operation with push button controls
  • Attractive styling complements existing vessel instrument layout
  • Off course alarm
  • Steer to GPS or Steer to Wind modes.
  • Virtual feedback


Voltage: 12 volts DC
Current Avg.: 0.5 Amps
Current Max: 15 Amps
Controls: 4 Push Button
Display: Transflective LCD
Course Detection: Better than 1
Sensitiviy: 0-10
Rudder Ratio: 0.1 : 10 to 1.0 : 1.0
Rudder Limits: Adjustable
Course Alarm:  45°
Nav Signal:NMEA-0183
Dimensions: 110mm x 110mm X 43mm

SP-110 Control Unit, Electronic Compass Sensor with 5 metres of cable, mounting hardware and brackets, operation manual.

A pump that does not have variable flow will be operating too fast or too slow in 90% of cases. Autopilot manufacturers get around this problem by adjusting the output to the pump to compensate. However, this either forces the pump to operate for longer periods of time which increases power consumption and wear on the parts, or the pump will operate at high pressure for short periods of time - also putting unnecessary strain and wear on the system.

Octopus Variable Flow Reversing Pumps precisely control the speed of the ram, reducing unnecessary battery consumption, pressure, strain and wear on the hydraulic system.

Leading autopilot manufacturers choose Octopus pumps for their non RFB pilot systems which do not have a Rudder Feedback unit. Previously, slop in the system caused by gear leakage meant that a Rudder Feedback unit was necessary to tell the pilot the exact rudder position. As Octopus pumps will always bring the ram back to the required position the Rudder Feedback unit is not required, which also greatly simplifies installation.