Hi Nertea
Love your work!
I just saw in the latest April 2021 JBIS journal an excellent new rocket proposal - the Quenching Superconductor Rocket. (Journal of the British Interplanetary Society Vol74 n4, page 150-155. Basically an Orion without the messy radiation
I'd love to see it in a future version of FFT!
Regards
DX