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Larger boats commonly use hydraulic steering. For an autopilot, an hydraulic pump is used. These pumps usually consume about twice the power of an electro-mechanical drive because of friction in the seals.

The hydraulic motors tested draw 10-12 amps while running, and up to 30 amps stalling. This means they need a higher power controller to handles these currents efficiently.

It is also recommended to use rudder feedback, or end of travel switches to avoid stress on the hydraulic pump.

hydraulic_pumps.txt · Last modified: 2018/08/30 16:51 by