Simrad RF300 Rudder Feedback Unit, For Inboard Engines, 10m Cable

Overview

The Simrad 20193744 is an RF300 rudder feedback unit that reports rudder angle to a compatible autopilot computer so the pilot can steer smoothly and show rudder position on the display. It uses a variable-frequency output and comes with a 10 m cable for routing from the steering compartment to the pilot computer.

It is rated IPx6 for heavy spray and washdowns, and it can be mounted horizontal, vertical, or upside-down to suit tight spaces near the rudder quadrant or tiller arm. The housing measures 99 x 65 x 177 mm (3.90 x 2.56 x 6.97 in), weighs 0.5 kg (1.1 lb), and runs on a 12 V nominal supply (12 to 16 V) with about 40 mA draw.

Key features

• RF300 rudder angle feedback for autopilot steering on inboard boats
• Variable-frequency output for direct connection to autopilot computers
• Supplied with a 10 m cable for long routing runs
• IPx6 water protection for exposed steering lockers and washdowns
• Mounting options: horizontal, vertical, or upside-down
• 12 V nominal operation (12 to 16 V) with about 40 mA power draw
• Compact size: 99 x 65 x 177 mm (3.90 x 2.56 x 6.97 in); weight: 0.5 kg (1.1 lb)

What's included

• RF300 rudder feedback unit
• 10 m cable
• Transmission link (linkage)

Compatibility and fit

This sensor needs a mechanical link to the rudder stock so it can move through the full steering range without binding. Before ordering, confirm your autopilot computer supports an RF300-style rudder feedback input and check that you have room for the unit body and link arm near the quadrant or tiller arm. Plan the cable route so it stays clear of moving gear and chafe points, and keep the unit away from magnetic compasses where possible.

Installation and setup

Mount the unit on a solid surface in the steering space and align the link so it stays straight through the rudder travel. Secure the cable with strain relief and leave enough slack for service without letting it rub on the steering gear. After installation, run the autopilot dockside setup to set rudder zero and verify that the displayed rudder direction matches port and starboard movement.

On-board use

Once calibrated, the autopilot can use the live rudder position to avoid hunting and to keep turns controlled when the seas pick up. This is a good match for skippers who want a clear rudder angle indication at the helm, especially when docking, backing down, or doing long coastal runs under autopilot.

Maintenance and care

Rinse salt residue off the unit when it is accessible, and periodically inspect the linkage for play, corrosion, and loose fasteners. If the rudder angle reading starts to drift, check for binding in the link and re-run the rudder calibration in the autopilot setup.

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