Raymarine Type 2 Rotary Drive 12V Autopilot System for Chain & Sprocket Steering
Power your autopilot system with the Raymarine Type 2 Rotary Drive 12V, the professional-grade drive unit engineered for chain and sprocket steering systems on vessels up to 44,000 lbs displacement. Featuring precision epicyclic gearbox technology, electromagnetic clutch, and quiet operation design, this robust drive unit delivers smooth, powerful autopilot control for cable and rod steering configurations on both power and sailboats.
Professional Chain & Sprocket Integration
The M81136 Rotary Drive Type 2 is specifically engineered for steering systems that operate through chain and sprocket mechanisms from the helm position. This advanced design perfectly suits cable and rod steering configurations, providing seamless integration with existing steering systems without requiring major modifications.
Chain & Sprocket Compatibility:
- Cable Steering Systems: Direct integration with cable-operated steering mechanisms
- Rod Steering Systems: Compatible with push-pull rod steering configurations
- Chain Drive Interface: Professional chain and sprocket connection for reliable power transfer
- Helm Position Control: Operates from standard helm steering position
- Optional Sprockets: Additional drive sprockets available for custom configurations
Advanced Precision Drive Technology
At the heart of the Type 2 Rotary Drive lies advanced engineering featuring a rugged electric motor driving a precision epicyclic gearbox through a high-tensile drive belt. This sophisticated system ensures reliable, long-lasting performance in demanding marine environments.
Precision Engineering Features:
- Rugged Electric Motor: High-performance 12V motor designed for marine applications
- Precision Epicyclic Gearbox: Advanced gear reduction for optimal torque multiplication
- High-Tensile Drive Belt: Durable power transmission with minimal maintenance requirements
- Electromagnetic Clutch: Transmits high torque loads without slipping
- Quiet Operation Design: Engineered for minimal noise during operation
Performance Specifications
The Type 2 Rotary Drive delivers exceptional performance across a wide range of vessel sizes and conditions, providing reliable autopilot control for boats up to 20,000 kg displacement with impressive torque and speed capabilities.
Performance Metrics:
- Maximum Boat Displacement: 20,000 kg (44,000 lbs)
- Peak Output Torque: 34 Nm for powerful steering control
- Maximum Shaft Speed: 33 RPM optimal for smooth operation
- Hard-Over Time: 10 seconds recommended (no load)
- Power Consumption: 60-84 watts typical operating range
- Operating Voltage: 12V DC marine electrical systems
ACU-400 Autopilot Control Integration
The M81136 Rotary Drive integrates seamlessly with Raymarine's ACU-400 Autopilot Control Unit, providing comprehensive autopilot functionality and advanced navigation features for professional marine applications.
Control Unit Compatibility:
- ACU-400 Integration: Primary control unit for advanced autopilot functionality
- SPX 30 Compatibility: Works with SPX 30 autopilot systems
- Evolution Autopilot: Compatible with Raymarine Evolution autopilot systems
- Network Integration: SeaTalkng and NMEA 2000 connectivity
- Display Compatibility: Works with Raymarine multifunction displays
Robust Marine Construction
Built to withstand the harsh marine environment, the Type 2 Rotary Drive features weather-resistant construction, corrosion-resistant materials, and precision engineering that ensures reliable operation season after season.
Construction Features:
- Marine-Grade Materials: Corrosion-resistant components for saltwater environments
- Weather-Sealed Housing: Protection against spray and moisture
- Precision Manufacturing: Tight tolerances for smooth, reliable operation
- Vibration Resistance: Engineered to handle marine vibration and shock
- Compact Design: 7.7" x 7.2" x 10.8" dimensions for versatile installation
Installation and Setup Requirements
Professional installation is recommended to ensure optimal performance and proper integration with your vessel's steering system. The installation may require optional drive sprockets and modifications to the boat's existing steering chain system.
Installation Considerations:
- Professional Installation: Certified marine technician recommended
- Steering System Assessment: Evaluation of existing chain and sprocket configuration
- Optional Drive Sprockets: May require specific sprockets for optimal interface
- Chain Modifications: Possible steering chain system adjustments needed
- ACU-400 Integration: Proper connection to autopilot control unit
- Electrical Requirements: 12V DC power supply with adequate capacity
Technical Specifications
| Category | Specification | Details |
|---|---|---|
| Performance | Maximum Displacement | 20,000 kg (44,000 lbs) |
| Peak Output Torque | 34 Nm | |
| Maximum Shaft Speed | 33 RPM | |
| Hard-Over Time | 10 seconds (no load) | |
| Electrical | Operating Voltage | 12V DC |
| Power Consumption | 60-84 watts | |
| Physical | Dimensions | 7.7"H x 7.2"W x 10.8"D |
| Drive Type | Type 2 Rotary | |
| Compatibility | Control Unit | ACU-400 Autopilot Control Unit |
| Steering Type | Chain and sprocket systems | |
| Vessel Type | Power and sailboats |
Vessel Applications
The Type 2 Rotary Drive is ideal for a wide range of vessel types and sizes, from recreational powerboats to sailing yachts, where chain and sprocket steering systems require reliable autopilot integration.
Ideal Applications:
- Motor Yachts: Power vessels with cable steering systems
- Sailing Yachts: Sailboats requiring precise autopilot control
- Trawlers: Displacement hulls with chain-driven steering
- Commercial Vessels: Work boats needing reliable autopilot systems
- Sport Fishing Boats: Recreational vessels with rod and cable steering
- Cruising Boats: Long-range vessels requiring dependable autopilot
System Integration and Features
As part of Raymarine's comprehensive autopilot ecosystem, the Type 2 Rotary Drive integrates with advanced navigation features, providing professional-grade boat control and positioning capabilities.
Integrated Features:
- Advanced Autopilot Modes: Auto, Track, Wind, and Nav modes available
- GPS Integration: Waypoint navigation and route following
- Wind Vane Integration: Wind-based steering for sailing applications
- Rudder Feedback: Precise steering position monitoring
- Safety Features: Automatic disengagement and alarm systems
- Display Integration: Control from Raymarine MFDs and dedicated controllers
Maintenance and Service
The Type 2 Rotary Drive is designed for minimal maintenance requirements while providing long-term reliability in marine environments. Regular inspection and basic maintenance ensure optimal performance.
Maintenance Features:
- Low Maintenance Design: Minimal service requirements for busy boating schedules
- Self-Monitoring: System diagnostics for proactive maintenance
- Service Access: Designed for straightforward professional service
- Quality Components: Premium materials for extended service life
- Two-Year Warranty: Comprehensive warranty coverage
