You get 1000 Space Science Packs per rocket launch so you need to launch a rocket every 1000s or 16m 40s. It would be a very very good idea to have production modules in your silo but you don't have them here so I will assume you do not wish to use them. You need 100 rocket parts so you need to make...

I think the underground belt length change is just caving in to the community wanting to make the game easier. First off, it makes your early designs feel worthless as the game progresses. When you start off you have yellow belts, inserters and assembly machines 1. Over time you can place red or blu...

P.S. Here is small spreadsheet that i quickly made for myself. Hopefully it will help someone to decide which setup to efficiently use in his/her particular factory. Nuclear Reactor values.PNG There are few assumptions in the spreadsheet: Heat exchangers output 103 steam/s (which i didn't test in t...