Fireship Module crafting (for some reason we can craft Floating Batteries, but not Fireships):
Fireship 4-5th: 5 Guacata Saltpeter, 10 Cartagena Tar
Fireship 1-3th: 10 Guacata Saltpeter, 5 Almeria Salpeter, 15 Cartagena Tar and the book Treatise on Making Saltpeter