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Blue Bird BLS-125AWB
Giant

Blue Bird BLS-125AWB

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand Blue Bird
Category Hobby
Performance
Torque
8.4V 1,757.09 oz-in
7.4V 1,547.35 oz-in
6.0V 1,382.06 oz-in Above Average
Speed
8.4V 0.15 sec/60°
7.4V 0.17 sec/60°
6.6V 0.19 sec/60°
6.0V 0.19 sec/60° Average
Stall Current 11.7–15.4 ABelow Average
Physical
Weight 8.08 ozAverage
Dimensions L 2.591 in
W 1.181 in
H 2.224 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Gears Stainless Steel
Gear Spline/Teeth 15 T
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Neutral Position 1500 µs
Dead Band 2 µs
Refresh Rate 400 Hz
Control System PWM
Electrical & Environment
Operating Voltage 6–8.7 V
Power Source 2S Li-Po / 2S Li-Fe
Temperature -20–60 °C
Water Rating IP67
Connectivity
Connector JR | JST
Wire Length 300 mm
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

TorqueAbove Average
Stronger than 78% of 93 Digital Giant servos at 6.0V
SpeedAverage
Faster than 47% of 90 Digital Giant servos at 6.0V
WeightAverage
Lighter than 39% of 174 Digital Giant servos
Stall CurrentBelow Average
Lower draw than 21% of 102 Digital Giant servos

Performance Analysis

Shaft Power 13.45–21.66 W
Power Density3.183 W/in³
More power-dense than 86% of 132 Digital Giant servos
Torque Density6.0352 oz-in/g
Stronger than 85% of 90 Digital Giant servos
Torque-to-Volume Ratio203.08 oz-in/in³
Denser torque than 85% of 93 Digital Giant servos
Speed-to-Weight0.02298 (1/sec·g)
Faster than 34% of 87 Digital Giant servos
Speed-Torque Trade-off262.58
Better balanced than 73% of 89 Digital Giant servos
Current-per-Torque Ratio0.0111 A/oz-in
More efficient than 24% of 50 Digital Giant servos
Voltage Range Width2.7 V
Wider voltage range than 42% of 160 Digital Giant servos

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