Graupner DES 427 BB

Search Amazon Search eBay

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-22

Identity
Brand
Product Number	7910
Category	Hobby
Performance
Torque	6.0V 31.15 oz-in 4.8V 26.91 oz-in Average
Speed	6.0V 0.15 sec/60° 4.8V 0.20 sec/60° Bottom 10%
Physical
Weight	0.32 ozAbove Average
Dimensions	L 0.91 in W 0.35 in H 1.14 in
Drivetrain
Motor Type	3-pole
Gears	Karbonite
Gear Spline/Teeth	15 T estimate
Rotation Mode	Positional
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	0.005 A
Connectivity
Connector	JR (Universal)

Submit Missing Data Report an Error

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 49% of 349 Digital Micro servos at 4.8V
Speed	Bottom 10% Faster than 5% of 347 Digital Micro servos at 4.8V
Weight	Above Average Lighter than 68% of 597 Digital Micro servos

Performance Analysis

Shaft Power	0.26–0.38 W
Power Density	1.058 W/in³ More power-dense than 19% of 563 Digital Micro servos
Torque Density	2.9900 oz-in/g Stronger than 70% of 349 Digital Micro servos
Torque-to-Volume Ratio	74.11 oz-in/in³ Denser torque than 51% of 345 Digital Micro servos
Speed-to-Weight	0.56980 (1/sec·g) Faster than 30% of 347 Digital Micro servos
Speed-Torque Trade-off	5.25 Better balanced than 74% of 345 Digital Micro servos
Torque Gain per Volt	13.13%/V More voltage-responsive (torque) than 25% of 290 Digital Micro servos
Speed Gain per Volt	25.00%/V More voltage-responsive (speed) than 85% of 295 Digital Micro servos
Voltage Range Width	1.2 V Wider voltage range than 44% of 496 Digital Micro servos