Graupner HVC 860 BBMG

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-25

Identity
Brand
Product Number	S4065
Category	Hobby
Performance
Torque	7.4V 284.72 oz-in 6.0V 243.06 oz-in 4.8V 208.30 oz-in Average
Speed	7.4V 0.15 sec/60° 6.0V 0.18 sec/60° 4.8V 0.21 sec/60° Bottom 10%
Physical
Weight	2.36 ozAverage
Dimensions	L 1.575 in W 0.787 in H 1.575 in
Drivetrain
Motor Type	Coreless
Gears	Steel
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Refresh Rate	400 Hz
Control System	PWM
Programmable	Yes
Electrical & Environment
Operating Voltage	4.8–8.4 V
Connectivity
Connector	JR (Universal)

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Average Stronger than 48% of 1055 Digital Standard servos at 4.8V
Speed	Bottom 10% Faster than 7% of 1038 Digital Standard servos at 4.8V
Weight	Average Lighter than 40% of 1872 Digital Standard servos

Performance Analysis

Shaft Power	1.83–3.51 W
Power Density	1.797 W/in³ More power-dense than 39% of 1762 Digital Standard servos
Torque Density	3.1090 oz-in/g Stronger than 44% of 1048 Digital Standard servos
Torque-to-Volume Ratio	106.67 oz-in/in³ Denser torque than 46% of 1053 Digital Standard servos
Speed-to-Weight	0.07107 (1/sec·g) Faster than 8% of 1031 Digital Standard servos
Speed-Torque Trade-off	43.75 Better balanced than 69% of 1029 Digital Standard servos
Voltage Range Width	3.6 V Wider voltage range than 85% of 1552 Digital Standard servos