@chris-annin Hi. Yes, that was the issue. I was able to push the key in further. It was still a tight fit. Needed to put it in the freezer and use som...

I'm might be talking to myself here... but thinking about taking the j0 plate and printed base and replacing it with a mobile battery powered aluminum...

These are the things I want to look at after finishing my build. I'm doing few hours evey day now... - test encoders on joints vs on the motor ...