Quick update,
We probably picked your scenarion right when u "broke" it =p
As a workaround, we used /c game.player.force.recipes['item'].enabled = true to add rocket-silos and all components given by the research.

Namely :
rocket-control-unit
rocket-silo
rocket-fuel
rocket-part
low-density ...

Thanks for your work =)

A bit of bug report.
We are 60+ hours into a game, and just noticed that we can't research the rocket silo (probably due to the Frontier Silo enabled at start).
So we can't build other silos. Nor can we create satellites and rocket parts...
When the research ends, it doesn't ...

For example Iron Gear Wheels cost 4 Iron Plates. Other recipes consume more resources as well.
For recipes, Expensive roughly multiply base material cost and creation time by 2 to 4.
iirc a drill in Expensive cost 10 electronic circuits, 10 gears, 10 iron plates (from 3/5/10 in normal ...