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Graupner DS 121SC
Micro

Graupner DS 121SC

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09
Identity
Brand Graupner
Product Number S4102.SC
Category Hobby
Performance
Torque
4.2V 2.36 oz-in
3.7V 2.08 oz-in
Speed
4.2V 0.04 sec/60°
3.7V 0.06 sec/60°
Physical
Weight 0.07 ozTop 10%
Dimensions L 0.787 in
W 0.787 in
H 0.244 in
Drivetrain
Motor Type 3-pole
Gears Plastic
Gear Spline/Teeth 22 T
Rotation/Support Bushing
Control & Signal
Modulation Digital
Control System PWM
Electrical & Environment
Operating Voltage 2.8–4.2 V
Connectivity
Connector SC

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Class Comparison

WeightTop 10%
Lighter than 100% of 620 Digital Micro servos

Performance Analysis

Shaft Power 0.06–0.11 W
Power Density0.721 W/in³
More power-dense than 6% of 590 Digital Micro servos
Torque Density1.0947 oz-in/g
Torque-to-Volume Ratio13.74 oz-in/in³
Speed-to-Weight8.77193 (1/sec·g)
Speed-Torque Trade-off0.12
Voltage Range Width1.4 V
Wider voltage range than 48% of 511 Digital Micro servos

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