Graupner HBS 760 BB

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Technical Specifications

Last Updated: 2026-10-25

Identity
Brand
Product Number	7985
Category	Hobby
Performance
Torque	7.4V 145.83 oz-in 6.0V 127.78 oz-in 4.8V 97.22 oz-in Below Average
Speed	7.4V 0.08 sec/60° 6.0V 0.11 sec/60° 4.8V 0.12 sec/60° Above Average
Physical
Weight	1.83 ozAbove Average
Dimensions	L 1.575 in W 0.768 in H 1.555 in
Drivetrain
Motor Type	Brushless
Gears	Karbonite
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	90°
Neutral Position	1500 µs
Control System	PWM
Programmable	Yes
Electrical & Environment
Operating Voltage	4.8–8.4 V
Idle Current	0.036 A
Connectivity
Connector	JR (Universal)

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Compatible Hardware

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*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 17% of 1060 Digital Standard servos at 4.8V
Speed	Above Average Faster than 66% of 1045 Digital Standard servos at 4.8V
Weight	Above Average Lighter than 84% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	1.50–3.27 W
Power Density	1.738 W/in³ More power-dense than 37% of 1768 Digital Standard servos
Torque Density	1.8696 oz-in/g Stronger than 19% of 1053 Digital Standard servos
Torque-to-Volume Ratio	51.71 oz-in/in³ Denser torque than 16% of 1058 Digital Standard servos
Speed-to-Weight	0.16026 (1/sec·g) Faster than 78% of 1038 Digital Standard servos
Speed-Torque Trade-off	11.67 Better balanced than 16% of 1034 Digital Standard servos
Voltage Range Width	3.6 V Wider voltage range than 85% of 1560 Digital Standard servos