I know there are a couple of charts out there.
However a while ago when I was designing my system, I wanted it to fit within a particular space.
I decided to make a calculator to give me all required dimensions just from the system size.
The sheet also calculates bell sizing and tells you how much you are deviating from Peter's recommendations.
It does not account for double bell systems where you would need to take some percentage off of the total.
Just change any yellow cell only.
https://docs.google.com/spreadsheets/d/18EMKN2BRzlv8INmlMREghWqbUMeJZKBc75ksDn2dtQI/edit?usp=drivesdk
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