We don't have the infrastructure to build them anymore, and a lot of the design wasn't captured in the blueprints because things were tweaked by hand to make th

We don't have the infrastructure to build them anymore, and a lot of the design wasn't captured in the blueprints because things were tweaked by hand to make them work. We could build something with Saturn V-like performance, but it would be a new rocket, not just resuming production of the older line.