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SpringRC SM-S4303R
Robotics

SpringRC SM-S4303R

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-08
Identity
Brand SpringRC
Product Number POL1248
Category Robotics
Performance
Torque
6.0V 71.00 oz-in
4.8V 46.00 oz-in Below Average
Speed
6.0V 0.19 sec/60°
4.8V 0.23 sec/60° Bottom 10%
Physical
Weight 1.45 ozAbove Average
Shape Boxed
Dimensions L 1.626 in
W 0.807 in
H 1.583 in
Drivetrain
Gears Hybrid
Gear Spline/Teeth 25 T
Rotation Mode Continuous
Rotation/Support Dual Bearings
Control & Signal
Modulation Analog
Direction Counterclockwise
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

TorqueBelow Average
Stronger than 25% of 192 Analog Standard servos at 4.8V
SpeedBottom 10%
Faster than 10% of 190 Analog Standard servos at 4.8V
WeightAbove Average
Lighter than 81% of 448 Analog Standard servos

Performance Analysis

Shaft Power 0.37–0.71 W
Power Density0.342 W/in³
More power-dense than 22% of 437 Analog Standard servos
Torque Density1.1220 oz-in/g
Stronger than 23% of 192 Analog Standard servos
Torque-to-Volume Ratio22.15 oz-in/in³
Denser torque than 9% of 192 Analog Standard servos
Speed-to-Weight0.10468 (1/sec·g)
Faster than 35% of 190 Analog Standard servos
Speed-Torque Trade-off10.72
Better balanced than 37% of 190 Analog Standard servos
Torque Gain per Volt45.29%/V
4th-highest torque gain per volt of 145 Analog Standard servos
Speed Gain per Volt21.62%/V
More voltage-responsive (speed) than 81% of 147 Analog Standard servos
Voltage Range Width1.2 V
Wider voltage range than 39% of 229 Analog Standard servos

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