>>11218330Half a gigawatt is pretty fucking substantial for such a small reactor, as far as it being expensive, possibly to initially construct it yes, however it is far far simpler, easy to maintain and the components will last shitloads longer than any fusion design this far. You also have to factor in running costs and red tape which if it works are essentially fuck all.
>>11219727ARC/SPARC breeds its own Tritium in the flibe blanket, how you get it naturally though, fuck knows.