Graupner DES 658 BBMG

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-25

Identity
Brand
Product Number	S7936
Category	Hobby
Performance
Torque	6.0V 76.39 oz-in 4.8V 62.49 oz-in Average
Speed	6.0V 0.15 sec/60° 4.8V 0.18 sec/60° Bottom 10%
Physical
Weight	1.01 ozBelow Average
Dimensions	L 1.26 in W 0.63 in H 1.32 in
Drivetrain
Motor Type	3-pole
Gears	Metal
Gear Spline/Teeth	25 T estimate
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	90°
Pulse Cycle	3 ms
Neutral Position	1500 µs
Electrical & Environment
Operating Voltage	4.8–6 V
Idle Current	0.007 A
Connectivity
Connector	JR (Universal)

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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.

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Class Comparison

Torque	Average Stronger than 56% of 290 Digital Mini servos at 4.8V
Speed	Bottom 10% Faster than 9% of 293 Digital Mini servos at 4.8V
Weight	Below Average Lighter than 33% of 505 Digital Mini servos

Performance Analysis

Shaft Power	0.64–0.94 W
Power Density	0.899 W/in³ More power-dense than 14% of 482 Digital Mini servos
Torque Density	2.1926 oz-in/g Stronger than 44% of 286 Digital Mini servos
Torque-to-Volume Ratio	59.64 oz-in/in³ Denser torque than 35% of 288 Digital Mini servos
Speed-to-Weight	0.19493 (1/sec·g) Faster than 10% of 289 Digital Mini servos
Speed-Torque Trade-off	11.25 Better balanced than 76% of 288 Digital Mini servos
Torque Gain per Volt	18.54%/V More voltage-responsive (torque) than 65% of 257 Digital Mini servos
Speed Gain per Volt	16.68%/V More voltage-responsive (speed) than 54% of 262 Digital Mini servos
Voltage Range Width	1.2 V Wider voltage range than 34% of 405 Digital Mini servos