Blue Arrow MI1518MG

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*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10

Identity
Brand
Category	Hobby
Performance
Torque	7.4V 347.25 oz-in 6.0V 277.80 oz-in
Speed	7.4V 0.20 sec/60° 6.0V 0.25 sec/60°
Stall Current	2.6–2.9 AAverage
Physical
Weight	2.12 ozAverage
Dimensions	L 1.57 in W 0.79 in H 1.50 in
Case Material	Nylon
Drivetrain
Motor Type	Coreless
Gears	Titanium
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Direction	Clockwise
Rotational Range	45°
Mechanical Limit	330°
Pulse Width	900-2100 µs
Neutral Position	1500 µs
Refresh Rate	333 Hz
Angle Sensor	Potentiometer
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Temperature	-20–60 °C
Connectivity
Connector	JR (Universal)
Wire Length	300 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	Average Lighter than 60% of 1902 Digital Standard servos
Stall Current	Average Lower draw than 60% of 539 Digital Standard servos

Performance Analysis

Shaft Power	2.05–3.21 W
Power Density	1.726 W/in³ More power-dense than 38% of 1759 Digital Standard servos
Torque Density	4.6300 oz-in/g
Torque-to-Volume Ratio	149.32 oz-in/in³
Speed-to-Weight	0.06667 (1/sec·g)
Speed-Torque Trade-off	69.45
Current-per-Torque Ratio	0.0104 A/oz-in
Voltage Range Width	1.2 V Wider voltage range than 10% of 1539 Digital Standard servos