Perhaps we should phase out tachyon tech entirely. It's tricky and there's been tech threads about it not making sense before. For this reason I chose to remove it form the Mindy 1H in the design phase.
That said, I'm open to suggestions for a max.
For reference, the Mindy 1F has a tachyon communication array in the shoulder that has a range of 1 million miles.
Forgive my lapse of memory, but since when did Nepleslians use tachyon tech? It's a fairly new addition to Yamatai, even. Not that I mind them have it, but I would like to see the where and how they got it.