Blue Bird BMS-136MG

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-23

Identity
Brand
Product Number	BBR-BMS-136MG
Category	Hobby
Performance
Torque	6.0V 108.00 oz-in 4.8V 85.00 oz-in Below Average
Speed	6.0V 0.24 sec/60° 4.8V 0.31 sec/60° Bottom 10%
Physical
Weight	1.09 ozAbove Average
Dimensions	L 1.69 in W 0.85 in H 0.93 in
Drivetrain
Gears	Metal
Gear Spline/Teeth	25 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Analog
Rotational Range	180°
Mechanical Limit	180°
Refresh Rate	125 Hz
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Power Source	Ni-MH / Ni-CD
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	Below Average Stronger than 14% of 229 Low Profile servos at 4.8V
Speed	Bottom 10% Faster than 4% of 227 Low Profile servos at 4.8V
Weight	Above Average Lighter than 81% of 53 Analog Low Profile servos

Performance Analysis

Shaft Power	0.51–0.83 W
Power Density	0.623 W/in³ More power-dense than 50% of 53 Analog Low Profile servos
Torque Density	2.7419 oz-in/g Stronger than 60% of 36 Blue Bird servos
Torque-to-Volume Ratio	63.63 oz-in/in³ Denser torque than 43% of 36 Blue Bird servos
Speed-to-Weight	0.10406 (1/sec·g) Faster than 20% of 36 Blue Bird servos
Speed-Torque Trade-off	26.36 Better balanced than 75% of 37 Blue Bird servos
Torque Gain per Volt	22.55%/V More voltage-responsive (torque) than 79% of 29 Blue Bird servos
Speed Gain per Volt	24.33%/V 3rd-highest speed gain per volt of 29 Blue Bird servos
Voltage Range Width	1.2 V 5th-highest voltage range width of 26 Analog Low Profile servos