HMS ''Undaunted'' was one of eight

light cruiser A light cruiser is a type of small or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck. Prior to thi ...

s built for the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

in the 1910s.

Design and description

The ''Arethusa''-class cruisers were intended to lead

destroyer In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed in ...

flotilla A flotilla (from Spanish, meaning a small ''flota'' (fleet) of ships), or naval flotilla, is a formation of small warships that may be part of a larger fleet. Composition A flotilla is usually composed of a homogeneous group of the same class ...

s and defend the fleet against attacks by enemy destroyers. The ships were

long overall __NOTOC__ Length overall (LOA, o/a, o.a. or oa) is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, an ...

, with a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

of and a deep draught of .

Displacement Displacement may refer to: Physical sciences Mathematics and Physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

was at normalFriedman 2010, p. 384 and at full load. ''Undaunted'' was powered by four Brown-Curtis steam turbines, each driving one

propeller shaft A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a component for transmitting mechanical power and torque and rotation, usually used to connect ...

, which produced a total of . The turbines used steam generated by eight

Yarrow boiler Yarrow boilers are an important class of high-pressure water-tube boilers. They were developed by Yarrow & Co. (London), Shipbuilders and Engineers and were widely used on ships, particularly warships. The Yarrow boiler design is characteristic ...

s which gave her a speed of about .Gardiner & Gray, p. 55 She carried tons of

fuel oil Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil, marine fuel oil (MFO), bun ...

that gave a range of at . The main armament of the ''Arethusa''-class ships consisted of two BL 6-inch (152 mm) Mk XII guns that were mounted on the centreline fore and aft of the

superstructure A superstructure is an upward extension of an existing structure above a baseline. This term is applied to various kinds of physical structures such as buildings, bridges, or ships. Aboard ships and large boats On water craft, the superstruct ...

and six QF 4-inch Mk V guns in waist mountings. They were also fitted with a single QF 3-pounder

anti-aircraft gun Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, ...

and four

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

s in two twin mounts.

Construction and career

She was launched on 28 April 1914 at

Fairfield Shipbuilding and Engineering Company The Fairfield Shipbuilding and Engineering Company, Limited was a Scottish shipbuilding company in the Govan area on the Clyde in Glasgow. Fairfields, as it is often known, was a major warship builder, turning out many vessels for the Royal Navy ...

's shipyard at

Govan Govan ( ; Cumbric?: ''Gwovan'?''; Scots: ''Gouan''; Scottish Gaelic: ''Baile a' Ghobhainn'') is a district, parish, and former burgh now part of south-west City of Glasgow, Scotland. It is situated west of Glasgow city centre, on the south ba ...

. ''Undaunted'' participated in numerous naval operations during the

First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

. On commissioning she was assigned as the leader of the 3rd Destroyer Flotilla of the

Harwich Force The Harwich Force originally called Harwich Striking Force was a squadron of the Royal Navy, formed during the First World War and based in Harwich. It played a significant role in the war. History After the outbreak of the First World War, a p ...

, guarding the eastern approaches to the

English Channel The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" (Cotentinais) or ( Jèrriais), (Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kana ...

. On 28 August 1914, ''Undaunted'' took part in the Battle of Heligoland Bight, and on 17 October 1914 she was involved in an action off the Dutch island of Texel with German

torpedo boats A torpedo boat is a relatively small and fast naval ship designed to carry torpedoes into battle. The first designs were steam-powered craft dedicated to ramming enemy ships with explosive spar torpedoes. Later evolutions launched variants of se ...

. On 25 December 1914 she participated in the

Cuxhaven Raid The Raid on Cuxhaven (german: link=no, Weihnachtsangriff, Christmas Raid) was a British ship-based Airstrike, air-raid on the Imperial German Navy at Cuxhaven mounted on Christmas Day, 1914. Aircraft of the Royal Naval Air Service were carried ...

, and on 24 January 1915 she took part in the Battle of Dogger Bank. In April 1915 ''Undaunted'' was damaged in collision with the

, and on 24 March 1916 she was again damaged in a collision, this time with the light cruiser while covering the a raid on a Zeppelin base believed to be at Hoyer in

Schleswig-Holstein Schleswig-Holstein (; da, Slesvig-Holsten; nds, Sleswig-Holsteen; frr, Slaswik-Holstiinj) is the northernmost of the 16 states of Germany, comprising most of the historical duchy of Holstein and the southern part of the former Duchy of Sch ...

. In November 1918 was reassigned to the 4th Light Cruiser Squadron of the

Grand Fleet The Grand Fleet was the main battlefleet of the Royal Navy during the First World War. It was established in August 1914 and disbanded in April 1919. Its main base was Scapa Flow in the Orkney Islands. History Formed in August 1914 from the ...

. She survived to see the end of the

, and was sold for scrap on 9 April 1923 to Cashmore, of Newport.Gardiner & Gray, pp. 55–56

Notes

Bibliography

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External links

Ships of the Arethusa class
{{DEFAULTSORT:Undaunted (1914) Arethusa-class cruisers (1913) 1914 ships World War I cruisers of the United Kingdom Ships built in Govan Maritime incidents in 1915 Maritime incidents in 1916