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SpringRC SM-S4309R
Robotics

SpringRC SM-S4309R

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand SpringRC
Category Robotics
Performance
Torque
6.0V 120.80 oz-in
4.8V 109.70 oz-in Above Average
Speed
6.0V 0.17 sec/60°
4.8V 0.20 sec/60° Below Average
Physical
Weight 2.12 ozBelow Average
Shape Boxed
Dimensions L 1.654 in
W 0.807 in
H 1.555 in
Drivetrain
Gears Metal
Gear Spline/Teeth 25 T
Rotation Mode Continuous
Rotation/Support Dual Bearings
Control & Signal
Modulation Analog
Rotational Range 360°
Mechanical Limit No Limit
Neutral Position 1500 µs
Control System PWM
Electrical & Environment
Operating Voltage 4.8–6 V
Connectivity
Connector JR (Universal)
Wire Length 270 mm
Origin
Country of Origin China

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 69% of 157 Analog Standard servos at 4.8V
SpeedBelow Average
Faster than 28% of 156 Analog Standard servos at 4.8V
WeightBelow Average
Lighter than 12% of 430 Analog Standard servos

Performance Analysis

Shaft Power 1.01–1.31 W
Power Density0.633 W/in³
More power-dense than 56% of 421 Analog Standard servos
Torque Density1.8283 oz-in/g
Stronger than 57% of 157 Analog Standard servos
Torque-to-Volume Ratio52.85 oz-in/in³
Denser torque than 65% of 157 Analog Standard servos
Speed-to-Weight0.08333 (1/sec·g)
Faster than 10% of 156 Analog Standard servos
Speed-Torque Trade-off21.94
Better balanced than 74% of 156 Analog Standard servos
Torque Gain per Volt8.43%/V
More voltage-responsive (torque) than 23% of 121 Analog Standard servos
Speed Gain per Volt14.69%/V
More voltage-responsive (speed) than 53% of 122 Analog Standard servos
Voltage Range Width1.2 V
Wider voltage range than 39% of 186 Analog Standard servos

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