The air is at 13 kPa and 400 K. I can raise both the supply temperature and the pressure if necessary. No problem with that. I could get 1.7 kg/s for the air bearings, but I have no more air.
I thought levitation this way was possible, but I'm doubtful now because there's an Australian engineer who's skeptical.
Elon Musk said it was possible, but Hyperloop critics deny it.