SpringRC SM-S4303R Continuous Rotation Servo
The SM-S4303R is a standard-sized servo that has been built by SpringRC specifically for continuous rotation, making it an easy way to get your robot moving. It features two ball bearings on the output shaft for reduced friction, and it offers easy access to the rest-point adjustment potentiometer. This is the most popular continuous rotation servo we carry.
Key specs at 6 V: 54 RPM (no-load), 71 oz-in (5.1 kg-cm), 41 g
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SpringRC SM-S4303R continuous rotation servo with a US quarter for size reference.
An example of hardware included with the SpringRC SM-S4303R continuous rotation servo. Actual hardware might vary.
SpringRC SM-S4303R continuous rotation servo dimensions and technical specifications (subject to change without notice).
The servo cable is terminated with a Futaba-compatible JR-style connector.
Continuous rotation servo size comparison. From left to right: SpringRC SM-S4303R, Power HD AR-3606HB, FEETECH FS5106R, Parallax Feedback 360°, Parallax (Futaba S148), and FEETECH FS90R.