Graupner C 4621

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-23

Identity
Brand
Product Number	5126
Category	Hobby
Discontinued	Yes
Performance
Torque	4.8V114.00 oz-inAbove Average
Speed	4.8V0.14 sec/60°Top 10%
Running Current	6.0V0.009 A
Physical
Weight	1.83 ozAverage
Dimensions	L 1.535 in W 0.75 in H 1.575 in
Drivetrain
Gears	Metal
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Analog
Rotational Range	90°
Pulse Cycle	16.67 ms
Neutral Position	1520 µs
Refresh Rate	60 Hz
Angle Sensor	Potentiometer
Electrical & Environment
Operating Voltage	4.8–6 V
Idle Current	0.009 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	Above Average Stronger than 68% of 198 Analog Standard servos at 4.8V
Speed	Top 10% Faster than 91% of 195 Analog Standard servos at 4.8V
Weight	Average Lighter than 38% of 447 Analog Standard servos

Performance Analysis

Shaft Power	1.51 W
Power Density	0.830 W/in³ More power-dense than 71% of 432 Analog Standard servos
Torque Density	2.1965 oz-in/g Stronger than 72% of 198 Analog Standard servos
Torque-to-Volume Ratio	62.86 oz-in/in³ Denser torque than 74% of 198 Analog Standard servos
Speed-to-Weight	0.13763 (1/sec·g) Faster than 76% of 195 Analog Standard servos
Speed-Torque Trade-off	15.96 Better balanced than 60% of 195 Analog Standard servos
Idle-to-Running Current Ratio	1.000
Voltage Range Width	1.2 V Wider voltage range than 66% of 239 Analog Standard servos