RS370WP Motors - and running them attached to 11.1 LIPO Batteries!?

Help & Support Robot Parts
1

In our university lab, our students are using these RS370WP motors, connected to 11.1 LIPO Batteries and just burned out two of the motors.

This shouldn’t have happened, I don’t believe. They were even controlling both of them with H-bridge motor controllers, and PWM inputs to the controllers, at 50%. So, I would not have expected, and they did not expect, at all, to burn up the motors.

They were running with a propeller. So, they didn’t get all the way up to 65,000RPM, I’m sure. But, we didn’t take any rpm readings either.

I’m about to connect a third motor up to a power supply and read the amperage from the front display; and to assure that the supply Voltage doesn’t exceed 11.1VDC. But, with these motors very high maximum amperages (pushing 50A) I wouldn’t expect these to burn up. Especially when they weren’t stalled or anything.

Does anyone have any insight to what is happening?

Are these motors just not able to handle the current levels and supply voltage that is detailed on the spec sheet?

Thanks,

  • Rob
1 Like
2

Hi @pelabs and welcome to our forum!

This is an interesting situation. I would assume that current flow through the motors was too high and they eventually burned up. Why this happened, I am not sure.

Do you have specs of the motor and specs of the motor controller? I would first check input and output voltages, but also it is good to read the amperage same as you planned.