EOC 10-inch /45 naval gun

EOC 10 inch 45-calibre naval gun

Forward 10-inch turret of HMS Swiftsure
Type Naval gun
Service history
In service 1904–41
Used by  Italy
 United Kingdom
Wars World War I
Production history
Designer Elswick Ordnance Company
Barrel length 37 ft 6 in (11.430 m) (45 cal)

Shell 500 pounds (227 kg)
Calibre 10 inches (254 mm)
Muzzle velocity UK : 2,625 ft/s (800 m/s)[1]
Italy: 850 m/s (2,800 ft/s)[2]
Maximum firing range UK : 18,850 yd (17,240 m)[3]
Italy : 25,000 m (27,000 yd)[4] @ 25°[5]

The EOC 10-inch 45 calibre gun were various similar 10-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.


UK service

Elswick supplied 5 of their 10-inch 45-calibre guns for use on the battleship Constitución that they were building for Chile. Britain took the ship over in 1903 as HMS Swiftsure, and the guns were designated BL 10 inch Mk VI in UK service. These guns fired a 500-pound (227 kg) projectile using 146 pounds 12 ounces (66.6 kg) of cordite MD propellant.[6]

Italian service

Elswick supplied later, more powerful "Pattern W" models of its 10-inch 45-calibre guns for the San Giorgio-class armoured cruisers. In Italian service these were known as the Cannone da 254/45 A Modello 1906.[7]

See also



External links

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