EOC 12 inch/45 naval gun
| EOC 12 inch 45-calibre naval gun 12"/45 41st Year Type |
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|---|---|
41st Year Type on Mikasa
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| Type | Naval gun |
| Service history | |
| Used by |  United Kingdom Brazil Japan |
| Wars | World War I |
| Production history | |
| Designer | Elswick Ordnance Company |
| Specifications | |
| Barrel length | Bore Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). (45 cal) |
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| Shell | Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). |
| Calibre | Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). |
| Muzzle velocity | Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). - Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). |
| Maximum firing range | 18,850 yards (17,240 m) |
The EOC 12 inch 45 calibre gun were various similar 12-inch wire-wound naval guns designed and manufactured by Elswick Ordnance Company to equip ships that the parent company Armstrong Whitworth built and/or armed for several countries before World War I.
Contents
History
Brazil service
Elswick supplied its 12-inch 45-calibre guns for the Minas Geraes-class battleships completed by itself and Vickers in 1910 for Brazil.
UK service
When World War I began, Elswick were completing the battleship Sultân Osmân-ı Evvel for the Ottoman Empire, originally begun as Rio de Janeiro for Brazil. It was armed with 14 of a slightly later version of Elswick's 12-inch 45-calibre guns. The battleship was completed as HMS Agincourt and served in the Royal Navy in World War I, with its guns designated BL 12 inch Mk XIII.[1] The gun's performance was similar to the standard Royal Navy equivalent gun, the BL 12 inch Mk X designed by Vickers.
Japan service
Elswick supplied its 12-inch 45-calibre guns to the Imperial Japanese Navy, and they were also manufactured under licence in Japan. In Japanese service from 1908 they became 12"/45 41st Year Type and later after the navy metricised in 1917, 30 cm/45 41st Year Type. They equipped the following ship classes :
- Katori-class battleships commissioned 1906
- Ibuki-class battlecruiser commissioned in 1907 & 1911
- Tsukuba-class battlecruisers commissioned 1908
- Mikasa as re-gunned in 1908
- Satsuma-class battleships commissioned 1910 & 1912
- Kawachi-class battleships commissioned 1912
Surviving examples
- On the Japanese battleship Mikasa, Yokosuka, Japan
See also
Weapons of comparable role, performance and era
- 305mm/45 Modèle 1906 gun French equivalent
- BL 12 inch Mk X naval gun Vickers equivalent
- 12"/45 caliber Mark 5 gun US equivalent
Notes
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- Tony DiGiulian, Brazil 12"/45 (30.5 cm) Elswick Pattern L
- Tony DiGiulian, Britain 12"/45 (30.5 cm) Mark XIII
- Japanese 12"/45 (30.5 cm) Armstrong 12"/45 (30.5 cm) 41st Year Type 30 cm/45 (12") 41st Year Type
External links
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Wikimedia Commons has media related to EOC 12 inch /45 naval gun. |
- ↑ Britain used Roman numerals to denote Marks (models) of ordnance until after World War II. This was the thirteenth model of BL 12-inch gun in British service.
