Brushed DC Motor: 130-Size, 3V, 17kRPM, 3.6A Stall

SKU: POLOLU-1592 Brand: Pololu

Retired Product

Replaced by: CE09245

This product has been replaced by: CE09245
This product is no longer available. This page is only for reference.

Note: These are cheap, high-performance motors, so Pololu have notably low lifetimes, especially at higher voltages. Think of them as fireworks.

This brushed DC motor is great for applications where you want a lot of power in a small package. Pololu generally recommend running it between 1.5 V and 3 V, but it can operate at higher voltages to provide more power in exchange for longevity of the motor. For example, at 6 V, the speed and torque are approximately twice what they are at 3 V, but it will also draw twice as much current, and it will have a significantly shorter life. In Pololu's tests, the motor was able to run continuously at 6 V without any load for approximately five hours before failure.

This motor is a generic alternative to the Solarbotics RM2 motor, offering nearly identical performance in the same form factor. It can be used to provide more speed and torque to gearmotors driven by lower-power 130-size motors, such as Pololu's larger Pololu plastic gearmotors (228:1 offset, 120:1 offset, 200:1 90-degree, and 120:1 90-degree) and Solarbotics plastic gearmotors (GM2, GM3, GM8, and GM9). Some people have even been using motors like this to enhance their flywheel NERF guns!

4 June 2019 Update: Pololu have corrected the published no-load speed of this product to be 20k RPM. (Our previously published speed of 17k RPM is actually the speed at a load of 10 gf*cm.) The product itself has not changed.

People often buy this product together with:

Solarbotics RM2 (high-power motor for GM2/3/8/9)

Brushed DC Motor: 130-Size, 6V, 11.5kRPM, 800mA Stall

Dimensions

Size:	25 × 15 × 20 mm
Weight:	16 g
Shaft diameter:	2 mm

General specifications

No-load speed @ 6V:	40000 rpm¹
No-load current @ 6V:	500 mA¹
Stall current @ 6V:	8 A¹
Stall torque @ 6V:	1.5 oz·in¹
No-load speed @ 3V:	20000 rpm
No-load current @ 3V:	350 mA
Stall current @ 3V:	4 A
Stall torque @ 3V:	0.75 oz·in

Notes:

1: This motor is intended for operation between 1.5 V and 3 V; operation at 6 V will significantly decrease its lifetime.

Recommended links

MATLAB script to plot motor performance curves for Pololu brushed DC gearmotors

This MATLAB script, written by Ali Asgher Mansoor Habiby, plots speed, power, current draw, and efficiency as they vary with torque when you input the gearmotor specifications. It also prints the resistance of the motor, and the current draw and torque at which maximum efficiency and maximum power occur.

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Retired

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