Graupner DES 675 BB

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-25

Identity
Brand
Product Number	S7940
Category	Hobby
Performance
Torque	6.0V 90.28 oz-in 4.8V 79.16 oz-in Above Average
Speed	6.0V 0.18 sec/60° 4.8V 0.21 sec/60° Bottom 10%
Physical
Weight	0.85 ozAverage
Dimensions	L 1.26 in W 0.63 in H 1.32 in
Drivetrain
Motor Type	Coreless
Gears	Karbonite
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Electrical & Environment
Operating Voltage	4.8–6 V
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	Above Average Stronger than 72% of 284 Digital Mini servos at 4.8V
Speed	Bottom 10% Faster than 2% of 288 Digital Mini servos at 4.8V
Weight	Average Lighter than 58% of 490 Digital Mini servos

Performance Analysis

Shaft Power	0.69–0.93 W
Power Density	0.885 W/in³ More power-dense than 12% of 468 Digital Mini servos
Torque Density	3.2983 oz-in/g Stronger than 80% of 280 Digital Mini servos
Torque-to-Volume Ratio	75.55 oz-in/in³ Denser torque than 49% of 282 Digital Mini servos
Speed-to-Weight	0.19562 (1/sec·g) Faster than 11% of 284 Digital Mini servos
Speed-Torque Trade-off	16.86 Better balanced than 92% of 282 Digital Mini servos
Torque Gain per Volt	11.71%/V More voltage-responsive (torque) than 20% of 252 Digital Mini servos
Speed Gain per Volt	15.26%/V More voltage-responsive (speed) than 44% of 258 Digital Mini servos
Voltage Range Width	1.2 V Wider voltage range than 34% of 396 Digital Mini servos