Futaba S9177SV 41kg High-Torque 0.11s S.Bus2 Coreless HV Airplane Servo (No BEC Use)

Overview

The Futaba S9177SV is a high-performance S.Bus2-compatible digital coreless servo engineered for demanding airplane applications. Delivering a commanding 41.0 kgf·cm torque and a quick 0.11 sec/60° speed at 7.4V, this servo provides precise and powerful control for large-scale aircraft. Its high-voltage support, compact design, and coreless motor make it ideal for competitive and high-load use cases.

⚠️ Not compatible with dry batteries. Recommended for high-performance RC aircraft systems operating on DC 6.0–7.4V.

Key Features

• 41.0 kgf·cm torque @ 7.4V for large-scale airplane control surfaces

• Fast response: 0.11 sec/60° @ 7.4V

• S.Bus2 digital control system for flexible channel mapping and programming

• Coreless motor ensures smooth, efficient performance

• Compact form factor: Fits into narrow airframes

• Supports high-voltage input (6.0–7.4V rated)

• Ideal for elevators, rudders, and flaps on performance RC planes

Technical Specifications