RDS3218 Digital Servo 20KG Dual Shaft 270 Degree

RDS3218 Digital Servo – 20KG | Dual Shaft | 270°

The RDS3218 is a high-torque digital servo engineered for demanding RC applications. With a powerful 20kg/cm torque output, dual shaft design, and an extended 270° rotation range, it delivers precise, responsive control whether you're flying a large-scale RC aircraft, running a robot arm, or building a custom RC platform. Feel the difference of a servo that holds its position firmly and responds instantly to every command.

Key Specifications

• Model: RDS3218
• Type: Digital Servo
• Torque: 20 kg/cm (at 6V)
• Rotation Angle: 270°
• Shaft: Dual shaft (front and rear output)
• Gear Material: Metal gears
• Control Signal: PWM digital signal
• Operating Voltage: 4.8V – 6.8V
• Connector: Standard JR/Futaba compatible

Key Features

• High torque output ideal for large-scale RC aircraft, robots, and automation
• Dual shaft for flexible mounting and linkage configurations
• 270° range enables wider control surface deflection and robotic joint movement
• Digital control for faster response and better holding torque
• Metal gears for durability under high-load conditions

Applications

• Large-scale RC aircraft (ailerons, elevator, rudder)
• RC cars, boats, and crawlers
• Robotic arms and automation projects
• Pan-tilt camera mounts
• DIY CNC and motion control systems
• Operating Voltage: 4.8 ~ 6.8 DC Volts
• Stall Torque (5V): 19 kg/cm (263.8oz/in)
• Stall Torque (6.8V): 21.5 kg/cm (298.5 oz/in)
• Speed : 0.16 sec/60°(5V) / 0.14 sec/60°(6.8V)
• Dead band: 3μs
• Working frequency: 1520μs / 333hz
• Size:
  • 40*20*40.5(servo)
    
  •  64*55.6*20(Assembly the metal brackets size)
• Waterproof： IP66
• Weight:60g