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Graupner DS 121SH
Nano

Graupner DS 121SH

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-11-05
Identity
Brand Graupner
Product Number S4102.SH
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 0.24 in
W 0.53 in
H 0.78 in
Drivetrain
Motor Type 3-pole
Gears Plastic
Rotation/Support Bushing
Control & Signal
Modulation Digital
Rotational Range 180°
Electrical & Environment
Operating Voltage 2.4–4.2 V
Connectivity
Connector JST-SH

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 91% of 89 Digital Nano servos

Performance Analysis

Shaft Power 0.06–0.11 W
Power Density1.100 W/in³
More power-dense than 31% of 81 Digital Nano servos
Torque Density1.0947 oz-in/g
Torque-to-Volume Ratio20.96 oz-in/in³
Speed-to-Weight8.77193 (1/sec·g)
Speed-Torque Trade-off0.12
Voltage Range Width1.8 V
Wider voltage range than 49% of 77 Digital Nano servos

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