Blue Bird BMS-136BB

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	BMS-136BB
Category	Hobby
Performance
Torque	4.8V85.00 oz-in
Speed	4.8V0.31 sec/60°
Physical
Weight	0.95 ozTop 10%
Dimensions	L 1.65 in W 0.85 in H 0.93 in
Drivetrain
Gears	Plastic
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	4.5–6.5 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

Weight

Top 10%

Lighter than 94% of 53 Analog Low Profile servos

Performance Analysis

Shaft Power	0.51 W
Power Density	0.389 W/in³ More power-dense than 35% of 53 Analog Low Profile servos
Torque Density	3.1482 oz-in/g
Torque-to-Volume Ratio	65.17 oz-in/in³
Speed-to-Weight	0.11947 (1/sec·g)
Speed-Torque Trade-off	26.36
Voltage Range Width	2.0 V 1st-highest voltage range width of 26 Analog Low Profile servos