3Dgeo:
so the only way to ballance it is to add weight - this means even more torque.
That is simply not true. A child could move 40 tonnes if it was properly balanced and had a low-friction bearing.
How fast must the camera be moved from one position to the next?
3Dgeo:
It's a bit strange that noone give me advice on electronics - that is what I need help with
I did - use servos.
...R