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Graupner HBM 660 BBMG
Standard

Graupner HBM 660 BBMG

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand Graupner
Product Number S4070
Category Hobby
Performance
Torque
7.4V 120.83 oz-in
6.0V 100.00 oz-in
4.8V 80.56 oz-in
Speed
7.4V 0.13 sec/60°
6.0V 0.16 sec/60°
4.8V 0.20 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 1.52 oz
Dimensions L 1.38 in
W 0.63 in
H 1.38 in
Case Material (add)
Drivetrain
Motor Type Brushless
Motor Drive (add)
Gears Steel
Gear Spline/Teeth (add)
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Dual Bearings
Backlash (add)
Control & Signal
Modulation Digital
Direction (add)
Rotational Range (add)
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position (add)
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 4.8–7.4 V
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal)
Wire Length (add)
Origin
Country of Origin (add)

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.

Performance Analysis

Shaft Power 0.74–1.72 W
Torque Density1.8735 oz-in/g
Stronger than 22% of the 831 Digital Standard servos in the database
Torque-to-Volume Ratio67.35 oz-in/in³
Denser torque than 28% of the 842 Digital Standard servos in the database
Power Density1.437 W/in³
More power-dense than 30% of the 1643 Digital Standard servos in the database
Speed-to-Weight0.11628 (1/sec·g)
Faster than 49% of the 820 Digital Standard servos in the database
Speed-Torque Trade-off16.11
Better balanced than 31% of the 825 Digital Standard servos in the database
Torque Gain per Volt19.23%/V
More voltage-responsive (torque) than 75% of the 672 Digital Standard servos in the database
Speed Gain per Volt20.71%/V
More voltage-responsive (speed) than 80% of the 686 Digital Standard servos in the database
Voltage Range Width2.6 V
Wider voltage range than 66% of the 1268 Digital Standard servos in the database

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