Specs for part # 1447

Robotics and electronics discussion Mechanical design and actuators
1

I want more specs for this motor:

pololu.com/catalog/product/1447/specs
131:1 Metal Gearmotor 37Dx57L mm with 64 CPR Encoder

Specifically, does anyone know the torque and voltage constants of this motor, as well as the viscous friction coefficient?

Thank you.

2

Hello.

We do not have those gearmotors characterized in that way. However, you could estimate various motor parameters using the specifications on the page that you link to. For example, you can get a general idea of the torque at various speeds by approximating a linear relationship between zero torque at full speed and the torque at stall. The torque and speed will vary proportionally with the input voltage.

  • Grant
3

Thank you.

Would it be possible to order a custom version of this motor with a higher CPR encoder?

4

How many CPR are you looking for? Please note that the 64 CPR corresponds to 64 counts per revolutions of the motor shaft and that this will give you 64*131 (or 8400) counts per revolution of the gearbox output shaft.

We might be able to look into this if you are trying to get a lot of these. If this is the case, please email us directly with the motor specifications you want.

- Grant