[Raynerd] wanted a new spindle for his CNC machine and thought that a brushless DC motor would be a great platform to build from. [Raynerd] started with an off the shelf motor that had an 8mm shaft.

Instead, he embarked on a brave journey to breathe new life into the machine by swapping its dying brushed motor for a sleek brushless upgrade. Things got real as [Chaz] dismantled the drill ...

Afterwards, you will have lessons on AC motor control components and systems ... as well as electronically driven brushless motors. We will discuss shunt wound, series wound, compound wound, servo, ...