HMS Surly (1855)

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History
Royal Navy EnsignUnited Kingdom
NameHMS Surly
Ordered6 October 1854
BuilderMoney Wigram & Son, Blackwall Yard
Laid down9 October 1854
Launched31 March 1855
RenamedMV9 on 19 October 1855
FateBroken up in November 1863
General characteristics
Tons burthen1172394 (bm)
Length
  • 65 feet (20 m) (
    gundeck
    )
  • 52 feet 5+14 inches (15.983 m) (keel)
Beam20 feet 10 inches (6.35 m)
Depth of hold7 feet 6 inches (2.29 m)
Armament1x mortar

HMS Surly was a

broken up
in November 1863.

Construction

HMS Surly was ordered by the

Admiralty on 6 October 1854 and was constructed at Blackwall Yard by Money Wigram & Son. Her keel was laid down on 9 October and she was launched on 31 March 1855.[1] Surly cost £2,360 to construct plus £825 for the Admiralty to fit her out and an additional £280 in supplies from Admiralty stores. She was 65 feet (20 m) in length at her gundeck and 52 feet 5+14 inches (15.983 m) at the level of her keel. She was 20 feet 10 inches (6.35 m) in beam and had 7 feet 6 inches (2.29 m) of depth in her hold. Surly's capacity was 1172394 tons burthen.[1] She was armed with a single mortar cast by the Carron Company.[2]

Service

Ship positions during the bombardment of Sweaborg; the mortar vessels, including Surly are at lower left

In 1855 Surly was deployed to the Baltic Sea during the Crimean War fought by Britain, France and the Ottoman Empire against Russia. Commanded by a petty officer, she was one of a number of mortar vessels that participated in the Bombardment of Sweaborg, Finland.[1] The mortars used by the Royal Navy in this action suffered from a number of defects.[3] Surly's mortar destroyed its suspension gear, which allowed it to be trained onto a target independent of the orientation of the ship, on its first firing.[3][4] After firing 14 rounds it was taken out of action for repairs to cracks at the base of its chamber. These were temporarily patched by pouring in a mixture of tin and zinc, after which a further 34 shells were fired before the mortar required repair again. A final 30 shells were fired before the vent of the mortar was blown. In addition during the second day of the bombardment the mortar had to be reinforced with chains to prevent the barrel from bursting after the original reinforcing band gave way.[4]

Despite similar issues on the other British mortar vessels it was later deemed that the mortars had performed better than expected in inflicting damage upon the defences.

rifled artillery.[3]

Surly was renamed MV9 (presumably for "mortar vessel 9") on 19 October 1855.

broken up in November 1863.[1]

References

  1. ^ .
  2. ^ Dahlgren, John Adolphus Bernard (1857). Shells and Shell-guns. London: King & Baird. p. 433.
  3. ^ .
  4. ^ a b Mordecai, Alfred (1860). Military Commission to Europe in 1855 and 1856. Washington: G. W. Bowman, printer. p. 67.
  5. ^ a b Dodd, George (1856). Pictorial History of the Russian War 1854-5-6: With Maps, Plans, and Wood Engravings. Edinburgh: W. & R. Chambers. pp. 481–482.
  6. .