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. Strong continuous rotation servo: 4.8 kg-cm (67 oz-in) and 70 RPM (no-load) at 6V.

It features two ball bearings on the output shaft for reduced friction, and it offers easy access to the rest-point adjustment potentiometer. The servo can be controlled using a direct connection to a single microcontroller I/O line without any additional electronics, which makes it a great actuator for beginner robotics projects.

The SM-S4303R continuous rotation servo converts standard RC servo position pulses into continuous rotation speed. The default rest point is 1.5 ms, but this can be adjusted by using a small slotted screwdriver to turn the middle-point positioner. Pulse widths above the rest point result in counterclockwise rotation, with speed increasing as the pulse width increases; pulse widths below the rest point result in clockwise rotation, with speed increasing as the pulse width decreases.

Dimensions

Size: 39.5 x 20.5 x 42 mm
Weight: 44 g

General specifications

Speed @ 6V: 0.14 sec/60° (70rpm)
Stall torque @ 6V: 66.7 oz·in
Speed @ 4.8V: 0.16 sec/60° (60rpm)
Stall torque @ 4.8V: 45.8 oz·in
Lead length: 11 in
Hardware included?: Y

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SpringRC SM-S4303R Continuous Rotation Servo

  • Manufacturer: Pololu
  • Product Code: SM-S4303R
  • Availability:  32
  • £9.60

  • Ex Tax: £8.00

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Tags: SpringRC, SM-S4303R, Continuous, Rotation, Servo, SM-S4303R, 1248, Pololu