Sometimes, a little puny matchbox-sized electronic speed controller (ESC) won’t do the job. If you find yourself looking for something heftier, say, in the range of hundreds of amps, you might look towards a design like the MP2 ESC. [owhite] has built an example of the design that can deliver some serious power.
This is a companion discussion topic for the original entry at https://hackaday.com/2023/11/30/300-amps-through-an-open-source-speed-controller/