Upgrade work needed on Dome rotation system 1.0

Yesterday I had to temporarily 'fix' the dome motor's socket to shaft grub screw. It screws through and secures onto a flat thats pre machined onto the shaft. When I first fitted this I was NOT happy at the small size of the grub screw and when tightening it the allen key would slip in the hex socket when being tightened up.

Well yesterday, it slipped under the strain/weight of R5's dome. At first I thought it was an electrical issue until I removed the dome to see the motor shaft still spinning, just not the wheel!

So my plan is to drill and tap a larger thread and use a larger grub screw with a flatter face for contact with the shafts flat. I'll also apply some thread lock to it too.

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