The first thing that struck me was that curved ramp at the end of the track. So, that curve is going to deflect masses going at 7km/s. Really. (And this thing i

The first thing that struck me was that curved ramp at the end of the track. So, that curve is going to deflect masses going at 7km/s. Really. (And this thing is 100m-1km in diameter and built to the tolerances of a watch...)