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Blue Bird BMS-663MG+HS

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand Blue Bird
Product Number (add)
Category Hobby
Performance
Torque
6.0V 88.90 oz-in
4.8V 73.62 oz-in
Speed
6.0V 0.08 sec/60°
4.8V 0.10 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 1.80 oz
Dimensions L 1.59 in
W 0.79 in
H 1.50 in
Case Material (add)
Drivetrain
Motor Type (add)
Motor Drive (add)
Gears Metal
Gear Spline/Teeth 25 T estimate
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 (add)
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 4.8–6 V
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal) estimate
Wire Length (add)
Origin
Country of Origin Taiwan

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 1.36–2.05 W
Torque Density1.4435 oz-in/g
Stronger than 11% of the 832 Digital Standard servos in the database
Torque-to-Volume Ratio39.23 oz-in/in³
Denser torque than 10% of the 843 Digital Standard servos in the database
Power Density1.095 W/in³
More power-dense than 21% of the 1644 Digital Standard servos in the database
Speed-to-Weight0.19608 (1/sec·g)
Faster than 82% of the 821 Digital Standard servos in the database
Speed-Torque Trade-off7.36
Better balanced than 11% of the 826 Digital Standard servos in the database
Torque Gain per Volt17.30%/V
More voltage-responsive (torque) than 64% of the 673 Digital Standard servos in the database
Speed Gain per Volt20.83%/V
More voltage-responsive (speed) than 81% of the 687 Digital Standard servos in the database
Voltage Range Width1.2 V
Wider voltage range than 10% of the 1269 Digital Standard servos in the database

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