HMS Ruby of the Acorn class


The Acorn class, also known as H class, returned to oil-firing after the preceding Beagle or G class had briefly re-introduced coal-firing after the Admiralty had voiced their concern for the availability of oil in times of war and the unsatisfactory range of the Tribal class. The Acorns are considerably smaller than the Tribal class and retains its small range, but carries a stronger armament in artillery and torpedoes.

Ship data

Relative combat value: 204

Basic damage control capacity: 123%


Displacement: 772 tons

Length: 75 m

Width: 8 m

Draught: 3 m

Standard crew: 72


Maximum speed (undamaged): 27 knots

Endurance: 1890 km

Coal capacity: 170 tons

Armour protection

Conning tower armour: 0

Hull armour: 0

Main belt armour: 0

Deck armour: 0

Best armour type: None


2 x 4in BL Mk VIII, centrally controlled. Ammo: 240 rounds

2 x 12-pdr 12cwt QF Mk II, centrally controlled. Ammo: 240 rounds

2 x 21in Mk II(M) Torpedoes, centrally controlled. Ammo: 3 torpedoes

Ships in class

  • Acorn (away in foreign waters)
  • Ruby
  • Rifleman
  • Redpole
  • Martin
  • Lyra
  • Larne
  • Nymphe
  • Nereide
  • Nemesis
  • Cameleon
  • Brisk
  • Comet (away in the Mediterranean)
  • Goldfinch (†, wrecked in fog at Start Point, Orkney Islands, in the night from February 18-19 1915)
  • Alarm
  • Minstrel (away in foreign waters)
  • Sheldrake (away in foreign waters)
  • Fury (away in foreign waters)
  • Staunch (away in foreign waters)
  • Hope (away in foreign waters)

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