HMS Sultan (1870)

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NameHMS Sultan
NamesakeAbdulaziz
Laid down29 February 1868
HMS Sultan as she originally appeared.
History
United Kingdom
NameHMS Sultan
NamesakeAbdulaziz
BuilderChatham Dockyard
Laid down29 February 1868
Launched31 May 1870
Completed10 October 1871
FateBroken up, 1946
General characteristics
Displacement9,290 long tons (9,439 t)
Length325 ft (99 m)
Beam59 ft (18 m)
Draught
  • 25 ft 6 in (7.77 m) light
  • 28 ft 9 in (8.76 m) deep load
PropulsionOne-shaft Penn trunk engine, 7,720 ihp (5,757 kW)
Sail planFull-rigged ship, sail area 49,400 sq ft (4,590 m2)
Speed
  • 14.13 knots (16.26 mph; 26.17 km/h) under power
  • 6 knots (11 km/h) under sail
Complement633
Armament
Armour
  • Belt: 6–9 in (150–230 mm)
  • Main deck battery: 9 in (230 mm)
  • Upper deck battery: 8 in (200 mm)
  • Bulkheads: 4.5–6 in (110–150 mm)

HMS Sultan was a broadside ironclad of the Royal Navy of the Victorian era, who carried her main armament in a central box battery. She was named for Sultan Abdulaziz of the Ottoman Empire, who was visiting England when she was laid down. Abdulaziz cultivated good relations with the Second French Empire and the British. In 1867 he was the first Ottoman sultan to peacefully visit Western Europe; his trip included a visit to England, where he was made a Knight of the Garter by Queen Victoria and shown a Royal Navy Fleet Review, with Isma'il Pasha of Egypt.

With the exception of some small warships designed only for harbour defence, every ironclad warship completed till the launch of Sultan, starting from HMS Warrior, had mounted their main armament in broadside batteries. Although the turret-armed ships HMS Monarch and HMS Captain were building, it was decided by the Board of Admiralty that, pending results from these two experimental ships, Sultan would carry her artillery in a centrally-placed box battery.

The design of the ship was closely based on the design of HMS Hercules. Unlike the battery of the earlier ship, that of Sultan was on two levels; the main deck guns provided broadside fire, with limited ahead fire from the foremost gun, while the upper deck guns provided additional broadside fire and also could fire astern, by traversing the after gun on a turntable.

The hull had one of the roundest amidships cross-section ever adopted at the time of her launch, and this and the low metacentric height of only three feet made her a very steady gun platform. It was soon found, however, that she lacked adequate stability - in naval parlance she was "tender" - and some six hundred tons of extra ballast had to be inserted into her double bottom.

Service history

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