Graupner HBS 660 BBMG

Search Amazon Search eBay

Compatible Hardware

Amazon eBay

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	7980
Category	Hobby
Performance
Torque	7.4V 120.83 oz-in 6.0V 100.00 oz-in 4.8V 80.56 oz-in Above Average
Speed	7.4V 0.13 sec/60° 6.0V 0.16 sec/60° 4.8V 0.20 sec/60° Bottom 10%
Physical
Weight	1.27 ozBelow Average
Dimensions	L 1.378 in W 0.63 in H 1.358 in
Drivetrain
Motor Type	Brushless
Gears	Steel
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Pulse Cycle	2500 ms
Neutral Position	1500 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–8.4 V
Connectivity
Connector	JR (Universal)

Submit Missing Data Report an Error

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

*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 69% of 262 Digital Mini servos at 4.8V
Speed	Bottom 10% Faster than 5% of 263 Digital Mini servos at 4.8V
Weight	Below Average Lighter than 14% of 466 Digital Mini servos

Performance Analysis

Shaft Power	0.74–1.72 W
Power Density	1.458 W/in³ More power-dense than 44% of 440 Digital Mini servos
Torque Density	2.2378 oz-in/g Stronger than 43% of 258 Digital Mini servos
Torque-to-Volume Ratio	68.33 oz-in/in³ Denser torque than 41% of 262 Digital Mini servos
Speed-to-Weight	0.13889 (1/sec·g) Faster than 1% of 259 Digital Mini servos
Speed-Torque Trade-off	16.11 Better balanced than 87% of 261 Digital Mini servos
Voltage Range Width	3.6 V Wider voltage range than 89% of 351 Digital Mini servos