Accu Steer LA11 Linear Hydraulic
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Our Price 
$2,169.95 
List Price $2,695.00

Accu Steer LA11 Hydraulic Linear Actuator

Accu-Steer LA11 Hydraulic Linear Actuator unit is a hydraulic linear actuator designed to interface an autopilot system with a mechanical steering systems such as wire, cable or chain drives. Accu-Steer LA11 hydraulic linear actuator consists of a hydraulic drive unit (containing a pump unit, bypass valve and reservoir assembly), a steering cylinder and the interconnecting hoses.
Availability: Special order, ships 2-3 days
List Price $2,695.00
Our Price 
$2,169.95 
Select System Voltage:
12V LA11
24V LA11

Accu-Steer LA11 is a complete linear actuator drive unit. It consists of a reversing gerotor gear pump, hydraulic lock valves, suction make-up check valves, a valve housing manifold, an electric permanent magnet motor, an electric solenoid bypass valve and an oil reservoir.

One end of the cylinder is fixed and the other end is connected to a tiller arm or the mechanical quadrant, which is connected to a rudder shaft. With this connection to a tiller arm the linear movement of the cylinder is changed to rotary movement, which turns the rudder and steers the vessel.

During normal mechanical steering, the hydraulic steering cylinder strokes to port and starboard as the vessel is steered manually. The oil in both sides of the cylinder flows back and forth through a normally open bypass valve located in the linear actuator drive unit. The steering cylinder is connected to the drive assembly with two hoses (port and starboard).

When the autopilot is switched into the operating mode, the bypass valve is electrically closed. The autopilot then drives the reversing hydraulic pump which in turn operates the steering cylinder. See section 3 of this manual for a more in depth description. When the autopilot is operating, the cylinder with be turning the rudder. The mechanical steering will be back-driven during this time. The vessel’s steering wheel will be turning as the autopilot makes corrections.

The output of the hydraulic reversing pump is 1.0 cu in/sec. The volume of the steering cylinder is approximately 13.1 cu in (215 cubic centimeters). The rudder speed will be approximately 13 seconds hard over to hard over (HOH).

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Accu-Steer LA11 is a complete linear actuator drive unit. It consists of a reversing gerotor gear pump, hydraulic lock valves, suction make-up check valves, a valve housing manifold, an electric permanent magnet motor, an electric solenoid bypass valve and an oil reservoir.

One end of the cylinder is fixed and the other end is connected to a tiller arm or the mechanical quadrant, which is connected to a rudder shaft. With this connection to a tiller arm the linear movement of the cylinder is changed to rotary movement, which turns the rudder and steers the vessel.

During normal mechanical steering, the hydraulic steering cylinder strokes to port and starboard as the vessel is steered manually. The oil in both sides of the cylinder flows back and forth through a normally open bypass valve located in the linear actuator drive unit. The steering cylinder is connected to the drive assembly with two hoses (port and starboard).

When the autopilot is switched into the operating mode, the bypass valve is electrically closed. The autopilot then drives the reversing hydraulic pump which in turn operates the steering cylinder. See section 3 of this manual for a more in depth description. When the autopilot is operating, the cylinder with be turning the rudder. The mechanical steering will be back-driven during this time. The vessel’s steering wheel will be turning as the autopilot makes corrections.

The output of the hydraulic reversing pump is 1.0 cu in/sec. The volume of the steering cylinder is approximately 13.1 cu in (215 cubic centimeters). The rudder speed will be approximately 13 seconds hard over to hard over (HOH).

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Accu Steer LA11 Hydraulic Linear Actuator has not been reviewed yet. Review Now.

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