Overview
The Hitec HS-785HB is a Karbonite-gear sail winch servo featuring a 3.5-turn rotation range — purpose-built for RC sailboats and other applications requiring multi-turn output rotation. With 183 oz-in of torque and Karbonite gears for excellent strength-to-weight, it delivers smooth, controlled sail handling for hobbyist and competitive sailors alike.
The 1.38 sec full-travel time is a controlled, deliberate pace tuned for sail trim and other slow-rotation tasks where speed matters less than steady, repeatable control.
Key Features
- 3.5-turn (1260°) sail winch rotation
- Karbonite gear train for strength and longevity
- 183 oz-in torque at 6V
- 1.38 sec full-travel time at 6V
- Purpose-built for RC sailboats
- Trusted Hitec engineering
Performance Benefits
- Multi-turn output for sail-line control
- Karbonite gears resist stripping under load
- Smooth, deliberate motion ideal for sail trim
- Reliable performance for racing or recreation
Usage Notes
Best Used With RC Scale(s): The HS-785HB is purpose-built for RC sailboats from small one-design classes to larger competitive sailing yachts. It's also useful for any RC application requiring multi-turn winch output, including scale tug winches and specialty robotics projects.
- RC sailboats (one-design and competitive classes)
- Scale RC tug winches and scale boat applications
- Specialty multi-turn output applications
- Robotics projects requiring winch-style rotation
Technical Specs
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Type: Sail Winch Servo (Multi-Turn)
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Rotation Range: 3.5 turns (1260°)
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Operating Voltage: 4.8V - 6.0V
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Speed: 1.38 sec full travel @ 6V
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Torque: 183 oz @ 6V
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Gear Train: Karbonite
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Part Number: 33785S
What's Included
- (1) Hitec HS-785HB Karbonite Sail Winch Servo
Summary
The Hitec HS-785HB is the go-to sail winch for RC sailboats. 3.5-turn rotation, 183 oz of torque, and Karbonite gears combine in a purpose-built winch servo that delivers smooth, deliberate sail control season after season.
