What is a brushless ESC, really? Well, generally, it’s usually a microcontroller with a whole lot of power transistors hanging off it to drive three phases of brushless motor coils.

A brushless motor requires a motor controller, and for most of us, this means cheap Electronic Speed Controllers (ESC) from a warehouse in China. [Ben] had a better idea: build his own ESC .

Traxxas' new rig is titled the Ultimate Desert Racer (UDR), ... Coupled with the 2200kv brushless motor the UDR is capable of speeds upwards of 50 plus mph!