Good idea, I've submitted a pull request to his repo

Thank you all for your help, it motivated me to create a minimal reproducable setup. During stripping off things I noticed that once in a longer while a battery was used to build an accumulator, which explains the shortage. Sometimes you cannot see the forest for the insertest ;)

In case you are ...

Thank you for your answer. It is good to know that I am not the only one who thinks that this should work, but I still would like to know why it doesn't ;)

Of course it could be fixed by adding more Chemical Plants, but my issue is more about understanding what's happening than getting this factory ...

The ratio of assembling machine 3 producing flying robot frames to chemical plants producing batteries seems to be different than I expected and I would like to know where my calculations are wrong.
My thoughts: 2 AM3s produce 4 flying robot frames every 20 seconds, i.e. 1 every 5s (ignoring ...