The Chaservo DS20 is a compact, high-performance servo designed for demanding RC applications where power, speed, and precision matter. Built from premium materials, it features a hardened steel gearbox and a robust aluminium/technopolymer case for exceptional durability and long service life.

Delivering an impressive holding torque of up to 26kg at 8.4V and an ultra-fast 0.08 sec/60° transit speed, the DS20 handles heavy loads effortlessly while maintaining smooth, accurate control.

Perfect for pilots and drivers who demand reliability, the DS20 is suitable for a wide range of RC models including aircraft, cars, boats, and other high-performance builds.

Key Features

• High torque output up to 26kg at 8.4V

• Ultra-fast response time of 0.08 sec/60°

• Hardened steel metal gear set for long life

• Coreless DC motor for smooth, precise operation

• 25T output spline for compatibility with popular servo arms

• Dual ball bearings for reduced friction and wear

• Wide voltage range (4.0V – 9.0V)

• Programmable for fine tuning performance

• Compact size with powerful output

Perfect For

• RC aircraft (fixed wing & helicopters)

• RC cars and off-road vehicles

• RC boats

• High-load control surfaces

• Precision and performance-critical applications

Product Summary

A compact yet incredibly powerful servo, the Chaservo DS20 combines high torque, fast speed, and robust construction in a lightweight package. Ideal for serious hobbyists and professional pilots looking for reliability, precision, and performance in one servo.

Specifications

General

• Dimensions: 40 × 20 × 38 mm

• Weight: 64 g

• Rated Voltage: 7.4V

• Voltage Range: 4.0 – 9.0V

• Output Shaft Spline: 25T (6 mm)

• Position Sensor: Potentiometer

• Motor Type: Coreless DC

• Bearings: 2 × Ball Bearings

• Working Frequency: 1520µs / 333Hz

• Programmable: Yes

• Case Material: High-quality Technopolymer & Aluminium

• Gear Set Material: Metal

Holding Torque

• @ 6.0V: 20.0 kg·cm

• @ 7.4V: 24.0 kg·cm

• @ 8.4V: 26.0 kg·cm

No-Load Speed

• @ 6.0V: 0.11 sec/60°

• @ 7.4V: 0.09 sec/60°

• @ 8.4V: 0.08 sec/60°

Output Torque

• @ 6.0V: 17.0 kg·cm

• @ 7.4V: 20.4 kg·cm

• @ 8.4V: 22.1 kg·cm

Max Current

• @ 6.0V: 5.82A

• @ 7.4V: 6.25A

• @ 8.4V: 6.45A

Box Contents

• Chaservo DS20 Servo (with wiring)

• Plastic servo arms

• Mounting hardware

Why Buy from Probuild Aircraft

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