Of course, I could be wrong...

We can't get the beam to light. There is this tube up inside the tank (the seven ton steel shell around the accelerator body,) that uses an RF coil to ionize the gas so it then goes down the 4MV gradient and speed toward the target. Because everything up there is at 4 million volts (or 1 million because that's what we're trying to run it at,) there is no actual connection between those controls and the knobs on the console. There is a pair of linked 'selsyn' motors that talk back and forth with each-other, then a big long Lucite rod that then actually turns the variac controller up inside the tank. Sadly... something seems broken. And its looking more and more like we have to pull off the tank.... which we may not be able to do at all.