To feed power to the staging turntable, as well as to fix its location, I’m planning to use some telescoping brass rod and tube. I want these controls around the front of the layout so operators don’t have to reach across the track to make the connection.
The plan is to mount pairs of tubes on pieces of PC board, which I will screw into position around the edge of the turntable. On the turntable, there will be two matching pairs of tubes with rods riding in them.
To align and feed the turntable, an operator will move the table roughly into position, and push the rods into the tubes on the edge of the layout. The rods will be tapered to help with the alignment, and split to help with conductivity.