Hitec HS-125MG Slim Wing Servo | 3.5kg Torque | Metal Gear Precision for Aerodynamics

Description

The Hitec HS-125MG is a high-performance “thin” profile servo specifically engineered to meet the structural constraints of aerodynamic surfaces in RC aircraft. With a ultra-slim 10mm width, it is perfectly designed for flush mounting inside thin wings, gliders, and high-performance airplane wings where standard-sized servos simply will not fit. Despite its compact footprint, the HS-125MG does not compromise on power, delivering up to 3.5kg-cm of torque at 6V to ensure responsive and stable control of flaps, ailerons, and elevators even at high flight speeds.

Engineered for longevity, this servo features a robust metal gear train that provides superior impact resistance and structural integrity compared to plastic alternatives. Supported by dual ball bearings, the output shaft operates with minimal friction, ensuring smooth, precise control surfaces that enhance your aircraft’s flight handling characteristics. Whether you are flying high-speed gliders, aerobatic models, or precision drones, the HS-125MG provides the perfect balance of compact design and industrial-grade reliability.

Note: Product images are for reference only. The actual product may vary slightly in appearance or dimensions.

Key Features

• Ultra-Slim Profile: Measuring only 10mm in thickness, it is specifically optimized for installation within the shallow wing spars of high-performance gliders and aircraft.
• High-Strength Metal Gearing: Precision-engineered metal gears offer exceptional durability, ensuring that control surfaces remain locked and responsive under significant aerodynamic loading.
• Dual Ball Bearing Output: Industrial-grade ball bearings support the output shaft, reducing internal friction for ultra-smooth movement and minimized servo “jitter.”
• High-Torque Output: Capable of delivering up to 3.5kg-cm of stall torque at 6V, providing ample power to actuate control surfaces during intense aerobatic maneuvers.
• High-Resolution Digital Precision: Featuring an ultra-narrow 1µs dead band width, it provides superior center-holding and positional accuracy for stable flight paths.

Benefits

• Seamless Integration: The slim design allows for flush mounting, which significantly reduces drag and optimizes the aerodynamic efficiency of your wing profile.
• Exceptional Longevity: Built with high-quality metal gears and ball bearings, this servo is designed to withstand the vibrations and stresses of long-term aerial operation.
• Aerobatic Reliability: Offers the mechanical strength required for demanding maneuvers, preventing gear stripping and control loss during high-G flight sequences.
• Smooth Control Response: The low-friction output shaft ensures that even minute stick movements translate into precise, immediate adjustments to the flight surfaces.
• Versatile Application: While optimized for wing surfaces, its compact, high-strength nature makes it an excellent choice for any RC project with tight installation space.

Applications

• RC Glider Wings: The primary choice for flap and aileron control in thin-airfoil competition gliders.
• Aerobatic Aircraft: Ideal for fast-reacting control surfaces in high-performance RC planes that demand high-torque precision.
• Precision Drones & UAVs: Suitable for compact aerial platforms requiring slim, reliable actuators for camera stabilization or flight-path adjustment.
• Scale Model Aircraft: Perfect for enthusiasts who need professional-grade wing control in narrow-profile scale models.
• Custom Automation: Its thin form factor and high-strength metal gears make it a versatile actuator for any space-constrained automated mechanical system.

Package Includes

• 1 x Hitec HS-125MG Slim Metal Gear Wing Servo
• 1 x Accessory Hardware Kit (Horns, Screws, and Grommets)

Specifications