Are you adding the +20% productivity bonus?


Oops. I completely forgot to account for that. That is the difference. When using c = 3.5 and the updated formula for items per second I reproduce the results of the Reddit post.

Items per second is:

i = 1.2 / (c / (7/5 + b))
i = 1.2 / (3.2 / (7/5 ...

Four years ago when that thread was made, c was equal to 3.5.


Interesting. I tried using the wiki to research recipe changes since that post was made but did not see change notes for the Copper Plate duration change. Thanks for pointing that out.

While that certainly does account for some ...

Hello, I hope you are all doing well.

I am trying to calculate the number of machines (in this case Electric Furnaces) required to completely fill a blue belt (45 items/sec) taking into account usage of Productivity Modules and Beacons with Speed Modules.

I was trying to follow the math shown in ...