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SpringRC SM-S4303R
Robotics

SpringRC SM-S4303R

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-22
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° Below Average
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
Pulse Width 1000-2000 µs
Neutral Position 1500 µs
Angle Sensor Potentiometer
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 198 Analog Standard servos at 4.8V
SpeedBelow Average
Faster than 11% of 195 Analog Standard servos at 4.8V
WeightAbove Average
Lighter than 82% of 447 Analog Standard servos

Performance Analysis

Shaft Power 0.37–0.71 W
Power Density0.342 W/in³
More power-dense than 22% of 432 Analog Standard servos
Torque Density1.1220 oz-in/g
Stronger than 24% of 198 Analog Standard servos
Torque-to-Volume Ratio22.15 oz-in/in³
Denser torque than 9% of 198 Analog Standard servos
Speed-to-Weight0.10468 (1/sec·g)
Faster than 38% of 195 Analog Standard servos
Speed-Torque Trade-off10.72
Better balanced than 36% of 195 Analog Standard servos
Torque Gain per Volt45.29%/V
3rd-highest torque gain per volt of 156 Analog Standard servos
Speed Gain per Volt21.62%/V
More voltage-responsive (speed) than 83% of 156 Analog Standard servos
Voltage Range Width1.2 V
Wider voltage range than 40% of 239 Analog Standard servos

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