BL 7.5 inch Mk II – V naval gun
| BL 7.5 inch Mk II – V naval gun | |
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| General Information | |
| Military designation: | Ordnance BL 7.5 inch gun Mk II – V |
| Manufacturer designation: | BL 7.5 inch Mk II – V naval gun |
| Manufacturer country: |
 United Kingdom
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| Developer / Manufacturer: |
Vickers Limited , Elswick Ordnance Company |
| Model variants: | Mks II, II *, II **, III, IV, V |
| Weapon Category: | cannon |
| Technical specifications | |
| Pipe length: | 375 inch (9525 mm) |
| Caliber : |
7.5 inch (190.5 mm) |
The BL 7.5 inch Mk II-V naval gun comprised a number of naval guns with a caliber of 7.5 inches (190.5 mm) and a barrel length of 50 calibers. All types in the range had similar design features and shooting performance. In the designation, BL stands for breech loading ( rear loader ), 7.5 inches for the caliber and Mk II – V for the respective type.
Versions
Mark II
The Mk II version was developed for coastal defense in India . During the First World War , guns originally located in India but still in the United Kingdom were used in the coastal defense of the British Isles. After the end of the war, they were shipped to India or scrapped.
Mark II *, Mark II **, Mark V
These types were specially developed as ship guns. They were used in the secondary armament of larger warships as a more powerful alternative to 6-inch guns. They were used on:
- Warrior , Cochrane , Achilles and Natal ( Warrior class ), keel laying 1903–1904, commissioning 1906–1907
- Minotaur , Shannon , Defense ( Minotaur -class), keel-laying 1905, commissioning 1908–1909
Mark III
The Mark III version was built by the Elswick Ordnance Company for the battleship Constitución . The Constitución was commissioned by the Chilean Navy at Elswick, but not taken over for financial reasons. Great Britain bought the ship in 1903, completed it and put it into service as Swiftsure . After the Swiftsure was decommissioned in 1917, the guns were used for coastal defense in Great Britain, as siege guns in Belgium and on the M15-class monitors .
Mark IV
The Mark IV version was built by Vickers Limited for the battleship Libertad . The Libertad was commissioned from Vickers by the Chilean Navy, but was not taken over for financial reasons. Britain bought the ship in 1903, completed it and put it into service as a Triumph .
literature
- Hogg, IV and Thurston, LF (1972). British Artillery Weapons & Ammunition 1914–1918. Ian Allan, London.
- Tony DiGiulian, British 7.5 "/ 50 (19 cm) Mark III 7.5" / 50 (19 cm) Mark IV
- Tony DiGiulian, British 7.5 "/ 50 (19 cm) Mark II 7.5" / 50 (19 cm) Mark V
7.5 inch battery on Minotaur
Forward 7.5 inch battery on Swiftsure , pictured to the right and right under the main artillery turret
Transport of a 7.5 inch Swiftsure cannon in Flanders, 1917
Web links
Footnotes
- ↑ Hogg & Thurston 1972, p. 150