Were sixty-gun ships among the largest warships during this period?
Short answerYes; ships later classed as third rates were close to first-rate fleet units in the 1670s, though a few larger ships existed.
NotesA sixty-gun ship was roughly among the largest common warships of this period, although larger ships existed. Ships that would later be called third rates occupied something closer to a first-rate position in the fleets of the 1670s.