Graupner DES 448 BBMG

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-22

Identity
Brand
Product Number	7914
Category	Hobby
Performance
Torque	6.0V 66.55 oz-in 4.8V 59.47 oz-in Average
Speed	6.0V 0.15 sec/60° 4.8V 0.18 sec/60° Below Average
Physical
Weight	0.67 ozAbove Average
Dimensions	L 1.24 in W 0.37 in H 1.30 in
Drivetrain
Motor Type	3-pole
Gears	Metal
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	90°
Pulse Cycle	3 ms
Neutral Position	1500 µs
Refresh Rate	333 Hz
Programmable	Yes
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 41% of 40 Digital Slim servos at 4.8V
Speed	Below Average Faster than 15% of 41 Digital Slim servos at 4.8V
Weight	Above Average Lighter than 76% of 83 Digital Slim servos

Performance Analysis

Shaft Power	0.61–0.82 W
Power Density	1.375 W/in³ More power-dense than 13% of 83 Digital Slim servos
Torque Density	3.1300 oz-in/g Stronger than 62% of 40 Digital Slim servos
Torque-to-Volume Ratio	99.71 oz-in/in³ Denser torque than 28% of 40 Digital Slim servos
Speed-to-Weight	0.29240 (1/sec·g) Faster than 53% of 41 Digital Slim servos
Speed-Torque Trade-off	10.71 Better balanced than 62% of 40 Digital Slim servos
Torque Gain per Volt	9.92%/V More voltage-responsive (torque) than 3% of 33 Digital Slim servos
Speed Gain per Volt	16.68%/V More voltage-responsive (speed) than 45% of 34 Digital Slim servos
Voltage Range Width	1.2 V Wider voltage range than 24% of 75 Digital Slim servos