BL 13.5 inch Mk VI gun
The BL 13.5-inch Mk VI gun was a British heavy naval gun, originally ordered by the Ottoman Navy to equip its dreadnoughts around 1911. The one ship completed was seized by the British Government when World War I began in August 1914 and became Erin. Only 10 guns were built, to a design similar to that of their 45-calibre BL 13.5-inch Mk V naval gun.
BL 13.5 inch Mk VI gun
- Name
- BL 13.5 inch Mk VI gun
- Field
- naval artillery · rifled breech loader
- Region
- United Kingdom
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Documentary summary
The BL 13.5-inch Mk VI gun was a British heavy naval gun, originally ordered by the Ottoman Navy to equip its dreadnoughts around 1911. The one ship completed was seized by the British Government when World War I began in August 1914 and became Erin. Only 10 guns were built, to a design similar to that of their 45-calibre BL 13.5-inch Mk V naval gun.
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wikidata · Q47472534
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Overview
Overview
The smaller chamber in the Mk VI gun meant that less propellant could be used which reduced muzzle velocity by and range by 630 yd. Designed by Vickers, they manufactured the guns of X and Y turrets, while Elswick Ordnance Company manufactured the guns of A, B, and Q turrets.
Key facts
Key facts
• Name — BL 13.5 inch Mk VI gun • Origin — United Kingdom • Type — Naval gun • Is Ranged — yes • Is Artillery — yes • Is Uk — yes • Service — 1914–22 • Used By — United Kingdom • Wars — World War I • Designer — Vickers • Design Date — 1909 • Manufacturer — Vickers, Elswick Ordnance Company • Number — 10 • Part Length — Bore 607.5 in (45 calibre) • Caliber — 13.5 in • Cartridge — 1400 lb • Velocity — 2445 ft/s • Max Range — 23110 yd at +20° • Elevation — 0° – +20°
Weapons of comparable role, performance and era
Weapons of comparable role, performance and era
• 340mm/45 Modèle 1912 gun French equivalent
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- United Kingdom
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Bibliography printed in the source article · 3
- Campbell, N.J.M. Warship V. Conway Maritime Press. 1981. 0-85177-244-7.
- Friedman, Norman (2011). Naval Weapons of World War One. Barnsley, UK: Seaforth Publishing.
- Johnson and Buxton (2013). The Battleship Builders. Barnsley, UK: Seaforth Publishing.
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1- naval artilleryTerminology
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.
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