Blue Bird BMS-662MG+HS

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-24

Identity
Brand
Product Number	BMS-662MG+HS
Category	Hobby
Performance
Torque	6.0V 197.24 oz-in 4.8V 175.01 oz-in Average
Speed	6.0V 0.17 sec/60° 4.8V 0.20 sec/60° Bottom 10%
Physical
Weight	2.08 ozAverage
Dimensions	L 1.594 in W 0.787 in H 1.654 in
Drivetrain
Gears	Metal
Gear Spline/Teeth	25 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Neutral Position	1520 µs
Refresh Rate	250 Hz
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal) estimate
Origin
Country of Origin	Taiwan

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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

*Spec is estimated from brand data.

Class Comparison

Torque	Average Stronger than 39% of 1060 Digital Standard servos at 4.8V
Speed	Bottom 10% Faster than 9% of 1045 Digital Standard servos at 4.8V
Weight	Average Lighter than 64% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	1.62–2.15 W
Power Density	1.034 W/in³ More power-dense than 18% of 1768 Digital Standard servos
Torque Density	2.9663 oz-in/g Stronger than 42% of 1053 Digital Standard servos
Torque-to-Volume Ratio	84.35 oz-in/in³ Denser torque than 34% of 1058 Digital Standard servos
Speed-to-Weight	0.08475 (1/sec·g) Faster than 18% of 1038 Digital Standard servos
Speed-Torque Trade-off	35.00 Better balanced than 58% of 1034 Digital Standard servos
Torque Gain per Volt	10.59%/V More voltage-responsive (torque) than 21% of 873 Digital Standard servos
Speed Gain per Volt	14.69%/V More voltage-responsive (speed) than 45% of 874 Digital Standard servos
Voltage Range Width	1.2 V Wider voltage range than 10% of 1560 Digital Standard servos