Graupner C 677

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	7101
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 52.39 oz-in 4.8V 43.90 oz-in Above Average
Speed	6.0V 0.20 sec/60° 4.8V 0.24 sec/60° Bottom 10%
Physical
Weight	1.23 ozBottom 10%
Dimensions	L 1.50 in W 0.71 in H 1.46 in
Drivetrain
Gears	Plastic
Gear Spline/Teeth	23 T estimate
Rotation/Support	Bushing
Control & Signal
Modulation	Analog
Electrical & Environment
Operating Voltage	4.8–6 V
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 81% of 80 Analog Mini servos at 4.8V
Speed	Bottom 10% Faster than 6% of 81 Analog Mini servos at 4.8V
Weight	Bottom 10% Lighter than 2% of 165 Analog Mini servos

Performance Analysis

Shaft Power	0.34–0.48 W
Power Density	0.311 W/in³ More power-dense than 2% of 163 Analog Mini servos
Torque Density	1.2579 oz-in/g Stronger than 14% of 80 Analog Mini servos
Torque-to-Volume Ratio	28.23 oz-in/in³ Denser torque than 4% of 80 Analog Mini servos
Speed-to-Weight	0.11939 (1/sec·g) Faster than 4% of 81 Analog Mini servos
Speed-Torque Trade-off	10.54 Better balanced than 94% of 80 Analog Mini servos
Torque Gain per Volt	16.12%/V More voltage-responsive (torque) than 69% of 55 Analog Mini servos
Speed Gain per Volt	16.67%/V More voltage-responsive (speed) than 60% of 56 Analog Mini servos
Voltage Range Width	1.2 V Wider voltage range than 80% of 88 Analog Mini servos