I compiled some thoughts on yields in a spreadsheet. In general, I think the smelting yields need to go up a little bit to match what's in bobs, or, more balance is needed on the default (Bob's) recipes.
I've modified my local game with some of these, some of them remain out of reach so far. What do you think?
https://docs.google.com/spreadsheets/d/1kv5wMXb_YysrYiG82MFaROIJ-wwWmA5vzbbsySKtdWc/edit?usp=sharing
