Try Oppertunistic attack's ! Keep note of where you last saw the British Fleet's and try to figure out how many day's roughly they would have to travel to get somewhere. Look for Undefended target's or Somewhere with Reasonably chance's of success if you we're to invade >
. Try a using a Light cruiser set to evade or have both stance's set to Green ( Passive/ Retreat If Engaged ) and draw the Royal Navy into a pointless chase I.e world war 2 Germany naval tactic's ( Weaker fleet could tie up a much Larger fleet by forcing them to search the High sea's for them only to find nothing but Ghost's