ELECTRO HYDRAULIC AUTO-PILOT UNIT :

With the signal from Auto-Helmsman, the order Synchro¹ motor moves by the same angle, which is then processed in the controller and power amplifier and finally controls the solenoid valves to supply oil to one side of the receiver or the other depending on the value of the signal. Receiver telemotor slide piston is connected to the floating lever of main pump which controls the flow of pwer oil to ram cylinders and transmit the torque to rudder stock.

As the movement continues, the telemotor feedback synchro, brings back the order synchro to equilibrium and the rudder is held at that position.

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