Unfortunately does not help. I can not make turbofans working either, I can start with some GigaWat powered engines as ATILLA or Vasimir on sea level, but their efficiency is too low :/
Hi, I have two problems. One of them I think is a bug in values adjustment to NF mods:
It seems about right:
But I've got better values with smaller radiators:
And I also have problem with building SSTO, no trust whatever I do, is it normal?