Blue Bird BMS-116WV+

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Category	Hobby
Performance
Torque	8.4V 90.29 oz-in 7.4V 80.56 oz-in 6.0V 65.28 oz-in 3.7V 43.06 oz-in
Speed	8.4V 0.07 sec/60° 7.4V 0.08 sec/60° 6.0V 0.10 sec/60° 3.7V 0.16 sec/60°
Physical
Weight	0.39 ozAverage
Dimensions	L 0.91 in W 0.39 in H 0.91 in
Drivetrain
Motor Type	Coreless
Gears	Metal
Gear Spline/Teeth	25 T
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Direction	Clockwise
Rotational Range	90°
Mechanical Limit	90°
Pulse Cycle	3 ms
Pulse Width	1100-1900 µs
Neutral Position	1500 µs
Dead Band	2 µs
Refresh Rate	333 Hz
Electrical & Environment
Operating Voltage	3.6–8.4 V
Power Source	2S Li-Po / 2S Li-Fe
Connectivity
Connector	JR (Universal) estimate
Wire Length	150 mm
Origin
Country of Origin	Taiwan

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Weight

Average

Lighter than 46% of 620 Digital Micro servos

Performance Analysis

Shaft Power	0.50–2.38 W
Power Density	7.385 W/in³ More power-dense than 89% of 590 Digital Micro servos
Torque Density	3.9146 oz-in/g
Torque-to-Volume Ratio	133.33 oz-in/in³
Speed-to-Weight	0.56818 (1/sec·g)
Speed-Torque Trade-off	6.89
Voltage Range Width	4.8 V Wider voltage range than 98% of 511 Digital Micro servos
Dead-Band-to-Pulse-Width Ratio	0.0025 Finer dead band than 17% of 189 Digital Micro servos