11 Lots of improvements

After assembling and cabling of prototype 2 were still irregularities. This time with the servo. After using shielded cable wherever it was possible, the problem diminished.

As I figured, hacking a brush isn’t that easy, I had a look at how industrial engineering companies are solving the problem. Well they use an air compressor and a dispensing unit. Fair enough, one can fiddle very precisely with it.


The workbench with all components: