Parallax (Futaba S148) Continuous Rotation Servo #900-00008

SKU: POLOLU-536 Brand: Pololu

Retired Product

This product has been replaced by: POLOLU-1248
This product is no longer available. This page is only for reference.

Parallax (Futaba S148) continuous rotation servo.

Overview

The Parallax (Futaba S148) continuous rotation servo converts standard RC servo position pulses into continuous rotation speed. It can be controlled directly by a microcontroller without any additional electronics, which makes it a great actuator for robotics projects. The servo includes an adjustable potentiometer that can be used to center the servo and comes with a star-shaped servo horn and an 11″ (270 mm) lead.

Specs

Power: 4.8 – 6 V
Top 6 V speed: 50 RPM (with no load)
Torque: 2.7 kg-cm/38 oz-in at 6 V
Weight: 43 g/1.5 oz with servo horn and screw
Size (L x W x H): 40.5 mm x 20.0 mm x 38.0 mm / 1.60" x 0.8" x 1.50"
Control interface: RC servo pulse width control, 1.50 ms neutral
Manual adjustment port

This servo is compatible with Pololu's servo controllers and Pololu's servo wheels and sprockets.

Continuous rotation servo comparison

Continuous rotation servo size comparison. From left to right: SpringRC SM-S4303R, Power HD AR-3606HB, Parallax, and FEETECH FS90R.


	SpringRC SM-S4303R	PowerHD AR-3606HB	Parallax (Futaba S148)	FEETECH FS90R
Max Speed @ 6 V:	54 RPM	71 RPM	50 RPM	130 RPM
Stall torque @ 6 V:	71 oz-in	93 oz-in	42 oz-in	21 oz-in
Max Speed @ 4.8 V:	43 RPM	62 RPM	39 RPM	100 RPM
Stall torque@ 4.8 V:	46 oz-in	83 oz-in	33 oz-in	18 oz-in
Weight:	41 g	40 g	43 g	9 g
Size (mm):	41.3×20.7×40.2	40.5×20.0×38.0	40.5×20.0×38.0	23.2×12.5×22
Price:	$12.95	$14.95	$13.95	$4.95

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