What type of motor does a coreless motor belong to?

Micro motors can be classified into DC motors, brushed motors, and brushless motors. So, as a unique type, what kind of motor is a coreless motor? The following information from Five Star Motor, a manufacturer of micro brushless DC motors, provides some insight:

A coreless motor is a type of DC permanent magnet motor that can be designed as either a brushed or brushless motor. Compared to standard DC motors, it lacks an iron core, but its other structures are nearly identical to those of typical DC motors.

Without an iron core, there is no iron loss, making the efficiency of coreless motors higher than that of standard micro DC motors. The coil in a coreless motor serves as the rotor, resulting in low rotational inertia, which makes it easier to control. However, without an iron core, the rotor's coil can only be made very thin, otherwise, it would lose magnetic flux. As a result, coreless motors have limited power output, with larger coreless motors typically reaching only a few hundred watts.

This concludes the knowledge-sharing about what type of motor a coreless motor is. We hope the above information is helpful to you.