Graupner DS 281

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-08

Identity
Brand
Product Number	5148
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 28.32 oz-in 4.8V 25.49 oz-in Average
Speed	6.0V 0.21 sec/60° 4.8V 0.25 sec/60° Bottom 10%
Physical
Weight	0.32 ozAverage
Dimensions	L 0.83 in W 0.43 in H 0.83 in
Drivetrain
Motor Type	Coreless
Gears	Plastic
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	90°
Programmable	Yes
Electrical & Environment
Operating Voltage	4.8–6 V
Idle Current	0.014 A
Connectivity
Connector	JR (Universal) estimate

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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 49% of 328 Digital Micro servos at 4.8V
Speed	Bottom 10% Faster than 1% of 328 Digital Micro servos at 4.8V
Weight	Average Lighter than 59% of 620 Digital Micro servos

Performance Analysis

Shaft Power	0.19–0.25 W
Power Density	0.842 W/in³ More power-dense than 11% of 590 Digital Micro servos
Torque Density	2.8011 oz-in/g Stronger than 65% of 327 Digital Micro servos
Torque-to-Volume Ratio	86.05 oz-in/in³ Denser torque than 62% of 327 Digital Micro servos
Speed-to-Weight	0.43435 (1/sec·g) Faster than 10% of 327 Digital Micro servos
Speed-Torque Trade-off	6.45 Better balanced than 83% of 327 Digital Micro servos
Torque Gain per Volt	9.25%/V More voltage-responsive (torque) than 8% of 268 Digital Micro servos
Speed Gain per Volt	17.04%/V More voltage-responsive (speed) than 54% of 273 Digital Micro servos
Voltage Range Width	1.2 V Wider voltage range than 42% of 511 Digital Micro servos