Buy the yellow one and read it cover to cover....3 times....before you attempt your first salami. Get your chamber set up, up and running for about a week prior to starting your first salami. It is a steep learning curve, but that yellow book puts all the pieces of the puzzle together in an easy to read, understandable way. Learn the 4 safety hurdles. Follow the degree hour tables for safe fermentation. The hardest part for me was troubleshooting my chamber. That will be where you spend the bulk of your time babysitting your product-and it is crucial you get it right. Small diameter salami and salumi is more forgiving if your parameters are not perfect. slight dry rim will not cause problems and can be remedied by vacsealing and a nap in the fridge to equalize. So your first salami needs to be a 32-35mm hog casing...cacciatorre, pepperoni, or something like that. Use that one to judge how well your chamber parameters are dialed in, make adjustments, then tackle a larger salami. Re-assess and make adjustments. Continue dialing in your parameters and perfecting your chamber. Learn to spot problems soon and make adjustments.....before it becomes an issue. Case hardening is the #1 problem with home dry curing so you want as minimal airflow as you can manage, and it helps to run the RH% 80-85% to help prevent case hardening in a frost free home drying chamber.
If everything is going good, you can try a copa or lomo...maybe a 4-5" salami.
Hardest to dry would be the large cuts like prosciutto and culatello...and salami over 6" in diameter.