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Graupner DES 657 BB
Mini

Graupner DES 657 BB

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand Graupner
Product Number S7935
Category Hobby
Performance
Torque
6.0V 76.39 oz-in
6.0V 76.39 oz-in
Speed
6.0V 0.15 sec/60°
6.0V 0.15 sec/60°
Physical
Weight 0.90 ozAverage
Dimensions L 1.26 in
W 0.63 in
H 1.32 in
Drivetrain
Motor Type 3-pole
Gears Plastic
Gear Spline/Teeth 23 T estimate
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Rotational Range 90°
Neutral Position 1500 µs
Programmable Yes
Electrical & Environment
Operating Voltage 4.8–6 V
Idle Current 0.007 A
Connectivity
Connector JR (Universal)

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

WeightAverage
Lighter than 51% of 466 Digital Mini servos

Performance Analysis

Shaft Power 0.94 W
Power Density0.899 W/in³
More power-dense than 13% of 440 Digital Mini servos
Torque Density2.9957 oz-in/g
Torque-to-Volume Ratio72.90 oz-in/in³
Speed-to-Weight0.26144 (1/sec·g)
Speed-Torque Trade-off11.46
Voltage Range Width1.2 V
Wider voltage range than 35% of 351 Digital Mini servos

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