4tttt

I've been messing around with part building mods like OSE, and I want to make a mod that enables a Kerbal (maybe only engineers?) to change the variant of a part while in flight. AFAIK the variants are coded differently, but I'm wondering if there's something like "VariantEnabledEva=true" that I could use?

Trying to build with workshop, I managed to build 3 parts, but a probe core isn't finishing (stuck on 100%), and giving NRE's on every frame