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Raymarine Rotary Rudder ReferenceRaymarine M81105 Rotary Rudder Reference Transducer Precision Steering Feedback for Marine Autopilot Systems Ensure precise autopilot performance with the Raymarine M81105 Rotary Rudder Reference Transducer, the critical feedback component that provides accurate real time rudder position data to your autopilot system. This marine grade contactless magnetic sensor delivers precise steering angle measurements, enabling optimal autopilot control and

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Raymarine M81105 Rotary Rudder Reference Transducer - Precision Steering Feedback for Marine Autopilot Systems

Name: Raymarine Rotary Rudder Reference
Brand: thegrowthteam.biz
SKU: 19612137183
Price: 149.90 USD
Availability: InStock
Rating: 4.5103 (1422 reviews)

Ensure precise autopilot performance with the Raymarine M81105 Rotary Rudder Reference Transducer, the critical feedback component that provides accurate real-time rudder position data to your autopilot system. This marine-grade contactless magnetic sensor delivers precise steering angle measurements, enabling optimal autopilot control and improved course-keeping accuracy for both Raymarine and Autohelm autopilot systems. Essential for proper autopilot operation and SeaTalk rudder angle displays.

Model Number M81105

UPC 023193811055

Professional Rudder Position Sensing Technology

Contactless Magnetic Sensing: Advanced magnetic sensor technology provides precise rudder position measurements without mechanical wear, ensuring long-term reliability and accuracy
Real-Time Feedback: Delivers instant rudder angle data to autopilot control units for optimal steering response and course correction in all sea conditions
Universal Autopilot Compatibility: Works with both Raymarine and legacy Autohelm autopilot systems for seamless integration with existing equipment
SeaTalk Network Integration: Compatible with SeaTalk and SeaTalkng networks via appropriate converters for comprehensive system integration
Marine-Grade Construction: Weatherproof and corrosion-resistant design built to withstand harsh marine environments and constant exposure to saltwater
Complete Installation Kit: Includes 10-meter marine-grade cable and all necessary mounting hardware for professional installation

Technical Specifications

Sensor Type:	Contactless Magnetic Position Sensor
Cable Length:	10 meters (33 feet)
Mounting Hardware:	Included
Construction:	Marine-Grade, Weatherproof
Corrosion Resistance:	Saltwater Protected
Installation Type:	Rudder Shaft Mount
Signal Output:	Analog Position Signal
Power Source:	Autopilot System
Box Dimensions:	14"L × 5"W × 4"H
Shipping Weight:	1.4 pounds

System Compatibility Matrix

System Type	Compatibility	Connection Method
Raymarine Autopilots	Direct Compatible	Direct Wire Connection
Autohelm Autopilots	Direct Compatible	Direct Wire Connection
SeaTalk Network	Compatible	Direct to ST60+ Instruments
SeaTalkng Network	Compatible	Via iTC-5 Converter
Evolution Autopilots	Compatible	Course Computer Connection

Autopilot Performance Enhancement

The M81105 provides the essential rudder position feedback that enables your autopilot to make precise course corrections. Without accurate rudder reference data, autopilot systems cannot effectively control steering, resulting in poor course-keeping, excessive rudder movement, and increased fuel consumption. This transducer ensures optimal autopilot performance by providing the control unit with real-time rudder angle information.

SeaTalk Network Integration

SeaTalk/SeaTalk1 Integration: Connects directly to ST60+ Rudder Angle Indicator instruments, providing visual rudder position display at the helm. Multiple instruments can share the signal for comprehensive rudder monitoring throughout the vessel.

SeaTalkng Compatibility: Integrates with modern SeaTalkng networks using an iTC-5 transducer converter (sold separately). This enables rudder angle display on i70, ST70, and ST70+ instruments while maintaining compatibility with advanced navigation systems.

Professional Installation Guidelines

The M81105 mounts directly to the rudder shaft or steering system, providing continuous monitoring of rudder position. The 10-meter cable provides flexibility for installation in various vessel configurations, from small sailboats to large motor yachts. Proper installation ensures accurate calibration and optimal autopilot performance.

Installation Considerations: Mount the sensor where it can accurately track rudder movement without interference from other systems. Ensure cable routing protects against chafing and provides strain relief at connection points.

Replacement & Upgrade Applications

The M81105 serves as both a replacement component for existing Raymarine and Autohelm autopilot systems and as an upgrade component for vessels adding rudder angle indication to their instrument displays. The universal compatibility makes it suitable for retrofitting older systems with modern display capabilities.

What's Included

Raymarine M81105 Rotary Rudder Reference Transducer
10-Meter Marine-Grade Cable
Complete Mounting Hardware Kit
Installation Instructions
Wiring Diagrams
Manufacturer Warranty

Maintenance & Reliability

The contactless magnetic sensing design eliminates mechanical wear points, providing years of maintenance-free operation. The marine-grade construction resists corrosion and weathering, while the sealed design prevents moisture intrusion. Regular visual inspection of cable connections and mounting hardware ensures continued reliable operation.

Frequently Asked Questions

Which autopilot systems are compatible with the M81105?

The M81105 is compatible with all Raymarine and Autohelm autopilot systems, including Evolution autopilots. It provides essential rudder position feedback that enables proper autopilot operation and course-keeping performance.

Can this transducer work with SeaTalkng systems?

Yes, the M81105 is compatible with SeaTalkng networks when used with an iTC-5 transducer converter (sold separately). This enables rudder angle display on i70, ST70, and ST70+ instruments and integration with modern navigation systems.

How long is the cable and can it be extended?

The M81105 includes a 10-meter (33-foot) marine-grade cable. For longer installations, consult with Raymarine technical support for approved cable extension methods and specifications to maintain signal integrity.

What type of sensor technology does this use?

The M81105 uses contactless magnetic sensor technology to measure rudder position. This design eliminates mechanical wear and provides long-term reliability compared to potentiometer-based sensors, making it ideal for marine environments.

Is this transducer weatherproof for marine use?

Yes, the M81105 features marine-grade construction with weatherproof and corrosion-resistant design. It's built to withstand harsh marine environments including saltwater exposure, UV radiation, and temperature extremes.

Rotary Rudder Reference

Replacement Rudder Reference Transducer used on Raymarine and Autohelm autopilot systems. Includes 10 meter cable and mounting hardware.

Product Type: Module, used for rudder reference sensor components of Raymarine and Autohelm autopilots. Including a 10-meter cable and components required for installation.
SKU: NVN-12745
MPN: M81105
UPC: 023193811055