Difference between revisions of "BL 9.2 inch Mk XI naval gun"
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Latest revision as of 22:09, 1 July 2010
| BL 9.2 inch gun Mk XI | |
|---|---|
| File:HMS Defence Stern 9.2 inch guns trained to port.jpg Aft guns of HMS Defence trained to port | |
| Type | Naval gun |
| Place of origin |  United Kingdom
|
| Service history | |
| In service | 1908 - 1920[1] |
| Used by | United Kingdom
|
| Wars | World War I |
| Specifications | |
| Weight | 28 tons barrel & breech |
| Barrel length | 460 inches (11.68 m) bore (50 cal) |
| | |
| Shell | 380 pounds (172.4 kg) Lyddite, Armour-piercing, Shrapnel[2] |
| Calibre | 9.2 inches (233.7 mm) |
| Muzzle velocity | 2,875 feet per second (876 m/s)[3] |
The BL 9.2 inch gun Mark XI was a British 50 calibre high-velocity naval gun which was mounted as primary armament on armoured cruisers and secondary armament on pre-dreadnought battleships.
History
File:HMS Agamemnon (1906) 9.2-inch gun firing on Sedd el Bahr 4 March 1915.jpg Agamemnon fires her 9.2-inch secondary guns at Ottoman Turkish forts at Sedd el Bahr on 4 March 1915
The gun with its increased length of 50 calibres was an attempt to extract a higher velocity, and hence more range and armour-piercing capability, from the 9.2 inch gun. Like other British 50-calibre guns of the period it was relatively unsuccessful, and was the last model of 9.2 inch gun Britain built.
Guns were mounted in the following ships :
- Minotaur class armoured cruisers laid down 1905 & completed 1908 - 1909 : 2 twin mounts.
- Lord Nelson class battleships laid down 1905 & completed 1908 : 4 twin mounts and 2 single mounts.
See also
- 12px Media related to BL 9.2 inch Mk XI naval gun at Wikimedia Commons
- List of naval guns
Surviving examples
| 20px | This section requires expansion. |
Notes
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External links
- Tony DiGiulian, British 9.2"/50 (23.4 cm) Mark XI
- ↑ 1908 - 1920 : Dates of commissioning and scrapping of the ships. The guns were not used again after removal.
- ↑ 380 lb shells : Treatise on Ammunition, 1915
- ↑ 2875 ft/second : As quoted in "Range Tables for His Majesty's Fleet, 1910. February, 1911"; with 130 ½ lb cordite MD propellant : Treatise on Ammunition, 1915
_9.2-inch_gun_firing_on_Sedd_el_Bahr_4_March_1915.jpg){kind=link}
