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Blue Bird BMS-A922+
Mini

Blue Bird BMS-A922+

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09
Identity
Brand Blue Bird
Category Hobby
Performance
Torque
8.4V 256.97 oz-in
7.4V 229.19 oz-in
6.0V 202.79 oz-in
Speed
8.4V 0.08 sec/60°
7.4V 0.09 sec/60°
6.0V 0.11 sec/60°
Physical
Weight 1.20 ozBelow Average
Dimensions L 1.398 in
W 0.591 in
H 1.142 in
Drivetrain
Motor Type Coreless
Gears Metal
Gear Spline/Teeth 25 T
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Neutral Position 1500 µs
Dead Band 1 µs
Refresh Rate 333 Hz
Control System PWM
Electrical & Environment
Operating Voltage 4.5–8.7 V
Power Source 2S LiPo
Connectivity
Connector JR (Universal) estimate
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.

Class Comparison

WeightBelow Average
Lighter than 20% of 466 Digital Mini servos

Performance Analysis

Shaft Power 3.41–5.94 W
Power Density6.295 W/in³
More power-dense than 92% of 440 Digital Mini servos
Torque Density5.9644 oz-in/g
Torque-to-Volume Ratio214.92 oz-in/in³
Speed-to-Weight0.26738 (1/sec·g)
Speed-Torque Trade-off22.31
Voltage Range Width4.2 V
Wider voltage range than 97% of 351 Digital Mini servos

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