Welcome to South Atlantic Self-Steering Gear®
We produce a specialized range of self-steering windvanes, ranging from some of the lightest models on the market, such as the S 301, to the robust and powerful S 600. The S 600 is a dual-purpose system, serving as both a self-steering gear and an emergency rudder.
All of our units are designed to be simple, robust, and reliable. Our product range includes seven distinct models, all of which can be customized to meet your specific needs. The S 500 and S 600 models come "Ready To Go" as integrated self-steering and emergency rudder systems.
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Class Globe 580
"Don McIntyre made the South Atlantic S 301 the standard self-steering windvane on his new Mini Ocean Racer fleet!"
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South Atlantic S 301
The S 301 represents a breakthrough in servo-pendulum technology, engineered specifically for small ocean-going yachts up to 30 ft.
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South Atlantic S 440
Tough, dependable, and purpose-built for yachts from 30 to 40 ft. When conditions get tough, the S 440 keeps you on course with true blue-water durability.
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South Atlantic S 470
Engineered for the long haul. Specifically crafted for yachts between 35 and 60 ft (up to 20,000 kg), the S 470 combines rugged durability with precision engineering.
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South Atlantic S 500
Tailored for yachts up to 12 m and 10,000 kg, this high-performance servo-pendulum delivers the steering authority of an auxiliary rudder.
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South Atlantic S 600
This unit combines servo-pendulum efficiency with the steering authority of an auxiliary rudder for vessels up to 60 ft and 20,000 kg.
The Comprehensive Guide to Windvane Self-Steering Systems
Technical Resources & Guides
Explore our complete technical library covering installation, system architecture, and offshore safety.
- Windvane Self-Steering FAQ & Technical Guide
- Emergency Rudder FAQ & Auxiliary Technical Guide
- Technical Report: How Windvane Self-Steering Systems Work
- Comparative Analysis of Servo-Pendulum and Auxiliary Rudder Systems
- Comparative Windvane Systems Table
- Comprehensive Analysis of Self-Steering Systems: Electronic Autopilots vs. Windvane Gears