Graupner DES 564

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	S7920
Category	Hobby
Performance
Torque	6.0V 45.83 oz-in 4.8V 38.88 oz-in Above Average
Speed	6.0V 0.12 sec/60° 4.8V 0.15 sec/60° Below Average
Physical
Weight	0.60 ozBelow Average
Dimensions	L 1.16 in W 0.47 in H 1.16 in
Drivetrain
Motor Type	3-pole
Gears	Karbonite
Gear Spline/Teeth	23 T estimate
Rotation/Support	Bushing
Control & Signal
Modulation	Digital
Refresh Rate	400 Hz
Programmable	Yes
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 73% of 349 Digital Micro servos at 4.8V
Speed	Below Average Faster than 20% of 347 Digital Micro servos at 4.8V
Weight	Below Average Lighter than 22% of 597 Digital Micro servos

Performance Analysis

Shaft Power	0.48–0.71 W
Power Density	1.117 W/in³ More power-dense than 21% of 563 Digital Micro servos
Torque Density	2.3006 oz-in/g Stronger than 42% of 349 Digital Micro servos
Torque-to-Volume Ratio	61.48 oz-in/in³ Denser torque than 35% of 345 Digital Micro servos
Speed-to-Weight	0.39448 (1/sec·g) Faster than 8% of 347 Digital Micro servos
Speed-Torque Trade-off	5.83 Better balanced than 77% of 345 Digital Micro servos
Torque Gain per Volt	14.90%/V More voltage-responsive (torque) than 35% of 290 Digital Micro servos
Speed Gain per Volt	20.83%/V More voltage-responsive (speed) than 70% of 295 Digital Micro servos
Voltage Range Width	1.2 V Wider voltage range than 43% of 496 Digital Micro servos