Graupner HBS 760 BB

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Technical Specifications

Last Updated: 2026-10-10

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 0.10 sec/60° 4.8V 0.12 sec/60° 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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*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 18% of 1043 Digital Standard servos at 4.8V
Speed	Average Faster than 64% of 1041 Digital Standard servos at 4.8V
Weight	Above Average Lighter than 83% of 1902 Digital Standard servos

Performance Analysis

Shaft Power	1.50–3.37 W
Power Density	1.793 W/in³ More power-dense than 39% of 1759 Digital Standard servos
Torque Density	1.8696 oz-in/g Stronger than 19% of 1036 Digital Standard servos
Torque-to-Volume Ratio	51.71 oz-in/in³ Denser torque than 16% of 1042 Digital Standard servos
Speed-to-Weight	0.16026 (1/sec·g) Faster than 76% of 1033 Digital Standard servos
Speed-Torque Trade-off	11.67 Better balanced than 17% of 1031 Digital Standard servos
Voltage Range Width	3.6 V Wider voltage range than 86% of 1539 Digital Standard servos