Since nobody has done this yet, I thought I'd give it a whirl
basic formula: low=1 medium=2 high=3
speed+manpower+hull+firepower=ship cost
Sloop= 6
Brig= 8
Galleon= 10
Frigate= 11
Galley= 6.5
Sloop[UNIVERSAL]
Brig[UNIVERSAL]
Galleon[UNIVERSAL]
Frigate[UNIVERSAL]
Galley[MEDITERRANEAN AND BALTIC]









