EOC 12 inch/45 naval gun

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EOC 12 inch 45-calibre naval gun
12"/45 41st Year Type
300px
41st Year Type on Mikasa
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 540 inches (13.716 m) (45 cal)

Shell 850 pounds (385.6 kg)
Calibre 12-inch (304.8 mm)
Muzzle velocity 2,700 feet per second (823 m/s) - 2,800 feet per second (853 m/s)
Maximum range 18,850 yards (17,240 m)

The EOC 12 inch 45 calibre gun were various similar 12-inch naval guns designed and manufactured by Elswick Ordnance Company to equip ships they built and/or armed for several countries before World War I.

History

Brazil service

Elswick supplied its 12-inch 45-calibre guns for the Minas Gerais class battleships completed by itself and Vickers in 1910 for Brazil.

UK service

When World War I began, Elswick were completing the battleship Sultan Osman I for Turkey, 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. 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 :

Surving examples

See also

Notes

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References

External links


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