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Blue Bird BMS-990DMG
Low Profile Discontinued

Blue Bird BMS-990DMG

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-27
Identity
Brand Blue Bird
Category Hobby
Discontinued Yes
Performance
Torque
6.0V 125.00 oz-in
4.8V 100.00 oz-in Below Average
Speed
6.0V 0.09 sec/60°
4.8V 0.11 sec/60° Average
Physical
Weight 1.59 ozAbove Average
Dimensions L 1.598 in
W 0.827 in
H 1.00 in
Drivetrain
Motor Type Coreless
Gears Metal
Gear Spline/Teeth 25 T estimate
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Rotational Range 120°
Pulse Cycle 4 ms
Neutral Position 1520 µs
Control System PWM
Electrical & Environment
Operating Voltage 4.8–6 V
Connectivity
Connector JR (Universal)

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

TorqueBelow Average
Stronger than 21% of 186 Digital Low Profile servos at 4.8V
SpeedAverage
Faster than 37% of 183 Digital Low Profile servos at 4.8V
WeightAbove Average
Lighter than 79% of 304 Digital Low Profile servos

Performance Analysis

Shaft Power 1.68–2.57 W
Power Density1.943 W/in³
More power-dense than 23% of 273 Digital Low Profile servos
Torque Density2.2222 oz-in/g
Stronger than 23% of 185 Digital Low Profile servos
Torque-to-Volume Ratio75.67 oz-in/in³
Denser torque than 20% of 186 Digital Low Profile servos
Speed-to-Weight0.20202 (1/sec·g)
Faster than 55% of 182 Digital Low Profile servos
Speed-Torque Trade-off11.00
Better balanced than 27% of 183 Digital Low Profile servos
Torque Gain per Volt20.83%/V
More voltage-responsive (torque) than 82% of 164 Digital Low Profile servos
Speed Gain per Volt18.52%/V
More voltage-responsive (speed) than 80% of 163 Digital Low Profile servos
Voltage Range Width1.2 V
Wider voltage range than 17% of 276 Digital Low Profile servos

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