Graupner C 577

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-09-14

Identity
Brand
Product Number	4101
Category	Hobby
Discontinued	Yes
Performance
Torque	4.8V50.00 oz-inBelow Average
Speed	4.8V0.15 sec/60°Above Average
Stall Current	≤0.82 AAbove Average
Physical
Weight	1.48 ozAbove Average
Dimensions	L 1.50 in W 0.75 in H 1.46 in
Drivetrain
Gears	Plastic
Gear Spline/Teeth	23 T estimate
Rotation Mode	Positional
Rotation/Support	Bushing
Control & Signal
Modulation	Analog
Rotational Range	90°
Pulse Cycle	20 ms
Neutral Position	1500 µs
Refresh Rate	50 Hz
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Idle Current	0.005 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	Below Average Stronger than 31% of 198 Analog Standard servos at 4.8V
Speed	Above Average Faster than 80% of 195 Analog Standard servos at 4.8V
Weight	Above Average Lighter than 78% of 447 Analog Standard servos
Stall Current	Above Average Lower draw than 87% of 63 Analog Standard servos

Performance Analysis

Shaft Power	0.62 W
Power Density	0.375 W/in³ More power-dense than 27% of 432 Analog Standard servos
Torque Density	1.1905 oz-in/g Stronger than 30% of 198 Analog Standard servos
Torque-to-Volume Ratio	30.44 oz-in/in³ Denser torque than 32% of 198 Analog Standard servos
Speed-to-Weight	0.15873 (1/sec·g) Faster than 88% of 195 Analog Standard servos
Speed-Torque Trade-off	7.50 Better balanced than 8% of 195 Analog Standard servos
Current-per-Torque Ratio	0.0164 A/oz-in More efficient than 68% of 54 Analog Standard servos
Voltage Range Width	1.2 V Wider voltage range than 64% of 239 Analog Standard servos