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Standard

Graupner HVC 881 BBMG

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand Graupner
Product Number S4077
Category Hobby
Performance
Torque
7.4V 277.78 oz-in
6.0V 222.22 oz-in
4.8V 180.55 oz-in
Speed
7.4V 0.07 sec/60°
6.0V 0.09 sec/60°
4.8V 0.11 sec/60°
Physical
Weight 2.36 ozAverage
Dimensions L 1.57 in
W 0.79 in
H 1.59 in
Drivetrain
Motor Type Coreless
Gears Metal
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Connectivity
Connector JR (Universal)

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.

Class Comparison

WeightAverage
Lighter than 39% of 1902 Digital Standard servos

Performance Analysis

Shaft Power 3.03–7.34 W
Power Density3.721 W/in³
More power-dense than 68% of 1759 Digital Standard servos
Torque Density2.6948 oz-in/g
Torque-to-Volume Ratio91.55 oz-in/in³
Speed-to-Weight0.13569 (1/sec·g)
Speed-Torque Trade-off19.86

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