Blue Arrow BA-8-1NF-MG

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	BA-8-1NF-MG
Category	Hobby
Performance
Torque	6.0V 12.92 oz-in 4.2V 9.03 oz-in
Speed	6.0V 0.03 sec/60° 4.2V 0.05 sec/60°
Stall Current	0.3–0.4 AAbove Average
Physical
Weight	0.21 ozAbove Average
Dimensions	L 0.79 in W 0.33 in H 0.69 in
Case Material	Aluminum / Plastic
Drivetrain
Motor Type	Coreless
Gears	Titanium
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Direction	Clockwise
Rotational Range	60°
Mechanical Limit	120°
Pulse Width	900-2100 µs
Neutral Position	1500 µs
Dead Band	1 µs
Refresh Rate	333 Hz
Angle Sensor	Potentiometer
Control System	PWM
Electrical & Environment
Operating Voltage	3.5–6 V
Temperature	-20–70 °C
Connectivity
Connector	JST
Wire Length	120 mm
Origin
Country of Origin	China

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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

*Based on known specs.

Class Comparison

Weight	Above Average Lighter than 83% of 620 Digital Micro servos
Stall Current	Above Average Lower draw than 89% of 194 Digital Micro servos

Performance Analysis

Shaft Power	0.33–0.80 W
Power Density	4.427 W/in³ More power-dense than 74% of 590 Digital Micro servos
Torque Density	1.5050 oz-in/g
Torque-to-Volume Ratio	50.20 oz-in/in³
Speed-to-Weight	3.33333 (1/sec·g)
Speed-Torque Trade-off	0.45
Current-per-Torque Ratio	0.0443 A/oz-in
Voltage Range Width	2.5 V Wider voltage range than 62% of 511 Digital Micro servos
Dead-Band-to-Pulse-Width Ratio	0.0008 Finer dead band than 73% of 189 Digital Micro servos