Some rather older (and heavier) brushed examples...
Posted: 17 Jun 2018, 16:56
This is the Taycol motors web-site - these motors were the top range motors for model boats of the 1950s and 1960s... http://eezebilt.tk/tayindex.html
Radio control in its simplest form. Once for right, twice for left!
https://mode-zero.uk/