BL 7.5 inch Mk II - V naval gun
Encyclopedia
The BL 7.5 inch guns Mk II - Mk V were a variety of 50 calibres naval guns used by Britain in World War I
. They all had similar performance and fired the same shells.
several reserve guns made for India but still in the UK were employed as coast defence guns in the UK. They were scrapped or sent to India soon after the war.
These were built and employed specifically as naval guns and were mounted as secondary armament as a heavier alternative to 6-inch guns, on the following ships :
Mark III guns were built by Elswick Ordnance to arm the battleship Constitución they were building for Chile. Britain acquired them by default when she bought Constitución in 1903 to avoid the risk of them being acquired by Russia. Constitución became HMS Swiftsure in British service.
Swiftsure was decommissioned in 1917 and her guns were used for coast defence in Britain, as siege guns on the Belgian coast near Nieuport for attacking German batteries, and on M15 class monitor
s.
for the battleship Libertad they were building for Chile. Britain acquired them by default in 1903 when she bought Libertad together with Constitución. Libertad became HMS Triumph
in British service.
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...
. They all had similar performance and fired the same shells.
Mark II
Mark II guns were originally developed to suit India's coast defence requirements. During World War IWorld War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...
several reserve guns made for India but still in the UK were employed as coast defence guns in the UK. They were scrapped or sent to India soon after the war.
Marks II*, II**, V
- WarriorDuke of Edinburgh class cruiserThe Duke of Edinburgh-class was a class of six armoured cruisers built around 1905 for the British Royal Navy. The later four ships were armed differently, and are sometimes considered as a separate class, the Warrior-class....
subclass armoured cruisers HMS WarriorHMS Warrior (1905)HMS Warrior was a Duke of Edinburgh-class armoured cruiser built for the Royal Navy in the mid-1900s. She was stationed in the Mediterranean when the First World War began and participated in the pursuit of the German battlecruiser and light cruiser . Warrior was transferred to the Grand Fleet in...
, HMS CochraneHMS Cochrane (1905)HMS Cochrane was a armoured cruiser built for the Royal Navy before the First World War. She served in the 2nd Cruiser Squadron during the war under Rear-Admiral Herbert Heath, taking part in the Battle of Jutland in 1916. She was based in Murmansk in mid-1918 during the Allied intervention in the...
, HMS AchillesHMS Achilles (1905)HMS Achilles was a armoured cruiser built for the Royal Navy in the mid-1900s. She served with the 2nd Cruiser Squdron for most of the First World War. Achilles did not participate in the Battle of Jutland in 1916, but did sink the German raider Leopard in 1917...
and HMS NatalHMS Natal (1905)HMS Natal was a Duke of Edinburgh-class armoured cruiser built for the Royal Navy in the mid-1900s. She escorted the royal yacht in 1911–1912 for the newly-crowned King George V's trip to India to attend the Delhi Durbar. During World War I the ship was assigned to the 2nd Cruiser Squadron of the...
laid down 1903 - 1904, commissioned 1906 - 1907 - Minotaur class armoured cruisersMinotaur class cruiser (1906)The Minotaur class was a three-ship class of armoured cruiser built around 1906 for the Royal Navy. They served during World War I, with all three being present at the Battle of Jutland, where HMS Defence was sunk. The surviving ships were scrapped postwar.-History:The Minotaur class was the last...
laid down 1905, commissioned 1908 - 1909
Mark III
Swiftsure was decommissioned in 1917 and her guns were used for coast defence in Britain, as siege guns on the Belgian coast near Nieuport for attacking German batteries, and on M15 class monitor
M15 class monitor
The M15-class comprised fourteen monitors of the Royal Navy, all built and launched during 1915.- Design :The ships of this class were ordered in March, 1915, as part of the Emergency War Programme of ship construction...
s.
Mark IV
Mark IV guns were made by VickersVickers
Vickers was a famous name in British engineering that existed through many companies from 1828 until 1999.-Early history:Vickers was formed in Sheffield as a steel foundry by the miller Edward Vickers and his father-in-law George Naylor in 1828. Naylor was a partner in the foundry Naylor &...
for the battleship Libertad they were building for Chile. Britain acquired them by default in 1903 when she bought Libertad together with Constitución. Libertad became HMS Triumph
HMS Triumph (1903)
HMS Triumph was a Swiftsure class pre-dreadnought battleship of the Royal Navy.-Technical characteristics:HMS Triumph was ordered by Chile as Libertad, laid down by Vickers at Barrow-in-Furness on 26 February 1902, and launched on 12 January 1903...
in British service.