RDS3218 20KG High Torque Digital Servo 180° Metal Gear Dual Shaft

RDS3218 20KG High Torque Digital Servo – 180° Rotation

The RDS3218 is a capable metal gear digital servo ideal for RC aircraft, robotics, and Arduino projects requiring solid torque and precise control. With 20KG·cm torque and a standard 180° rotation range, it delivers reliable actuation for control surfaces, robotic joints, and automation rigs.

Key Features

• 20KG·cm Torque – Solid output for medium-load applications
• 180° Rotation Range – Standard travel for precise servo control
• Full Metal Gear Train – Durable, backlash-resistant, built for longevity
• Digital Signal Processing – Faster response and higher holding torque vs. analog servos
• Dual Shaft Output – Versatile mounting for complex linkage setups
• Arduino & PWM Compatible – Works with standard 50Hz PWM signal (500–2500µs pulse width)
• Coreless Motor – Smooth, efficient operation with reduced heat buildup

Specifications

• Model: RDS3218
• Torque: 20KG·cm @ 6V
• Rotation: 180°
• Operating Voltage: 4.8V – 6.8V
• Signal: PWM (500–2500µs)
• Gear Material: Full Metal
• Connector: JR / Futaba compatible

Ideal For

• RC aircraft control surfaces (flaps, rudder, elevator, ailerons)
• Robotic arms and grippers
• Arduino / Raspberry Pi servo projects
• Pan-tilt camera rigs
• Custom automation and CNC builds