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Racerstar SG90
Micro

Racerstar SG90

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-23
Identity
Brand Racerstar
Category Hobby
Performance
Torque
6.0V 22.22 oz-in
4.8V 16.66 oz-in
Speed
4.8V0.12 sec/60°
Physical
Weight 0.32 ozAverage
Dimensions L 1.26 in
W 0.47 in
H 1.18 in
Drivetrain
Motor Type Brushed
Gears Nylon
Gear Spline/Teeth 21 T estimate
Control & Signal
Modulation Analog
Dead Band 7 µs
Control System PWM
Electrical & Environment
Operating Voltage 3–7.2 V
Temperature -30–60 °C
Connectivity
Connector JR (Universal)
Wire Length 245 mm

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

WeightAverage
Lighter than 37% of 372 Analog Micro servos

Performance Analysis

Shaft Power 0.26 W
Power Density0.367 W/in³
More power-dense than 5% of 357 Analog Micro servos
Torque Density1.8511 oz-in/g
Torque-to-Volume Ratio23.84 oz-in/in³
Speed-to-Weight0.92593 (1/sec·g)
Speed-Torque Trade-off2.00
Voltage Range Width4.2 V
1st-highest voltage range width of 197 Analog Micro servos

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