I can chose stack size, but that does not influence inserters.

Now, back at you - because testing every produce with every manufacturer unit with every module with every tech productivity (which all of i need) is not something i can reasonably do. Therefore making a simple calculator that is at ...

https://postimg.cc/wyJdSjgx

For obvious reasons having 9 inserters per factory unit is not favorable setup. I guess that factoriolab inserters are using their minimum capacity to grab items. How should i approach this if i want to know how many inerters i need if i have all the top techs - inserter ...