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HMAS Adelaide (1918)

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Through World War II

Adelaide served with the Royal Navy's Special Service Squadron during 1924 and 1925, and was involved in the 1927 Malaita massacre. She was decommissioned in 1928, but was modernised and returned to service just before World War II began. During the war, Adelaide was involved in successful efforts to secure the colony of New Caledonia for Free France, was present during the Japanese midget submarine attack on Sydney Harbour, and intercepted the German blockade runner Ramses.

The cruiser was decommissioned in 1946, and broken up for scrap in 1949.

Design and construction

The design of Adelaide was modified from the Chatham subclass of the Town-class light cruisers, with similarities to the Birmingham subclass. The ship was 462 feet 6.5 inches (140.983 m) long overall and 430 feet (130 m) between perpendiculars, with a beam of 49 feet 9.5 inches (15.177 m), and a draught of 19.66 feet (5.99 m). The initial ship's company stood at 33 officers and 450 sailors, but by 1941, this had dropped to 26 officers and 436 sailors.

The propulsion system consisted of Parsons turbines providing 25,000 shaft horsepower (19,000 kW) to two propeller shafts. As designed, the ship had a maximum speed of 25 knots (46 km/h; 29 mph), but modifications during her career saw this increase to 25.5 knots (47.2 km/h; 29.3 mph) during the 1920s, then drop to 24.8 knots (45.9 km/h; 28.5 mph) by 1941. The cruiser was originally fuelled by both coal and oil, but the ship's refit in 1938–39 saw her converted to oil only, along with the removal of the foremost funnel and boilers.

Adelaide was laid down at the Cockatoo Island Dockyard, Sydney on 20 November 1915. She was launched on 27 July 1918 by Lady Helen Munro Ferguson, the wife of the Governor-General of Australia, Sir Ronald Munro Ferguson. Construction was not completed until 31 July 1922 because of wartime shortages, loss of machinery part forgings for items that could not be made in Australia to enemy action, and modifications based on wartime experience: the ship was consequently nicknamed "HMAS Longdelayed". She was finally commissioned into the RAN on 5 August 1922. Adelaide cost 1,271,782 pounds to build.

The ship's badge was based on the municipal seal of the City of Adelaide. Her motto was "Ut Prosint Omnibus Conjuncti", Latin for "United for the Common Weal". Some incorrect versions of the ship's badge show the motto as "United We Stand", the motto for HMAS Anzac.

Armament

At launch, the cruiser's armament consisted of nine BL 6-inch Mk XII naval guns, a single QF 3-inch anti-aircraft gun, a single Ordnance QF 12-pounder 8 cwt field gun, four QF 3-pounder Hotchkiss saluting guns, ten .303-inch machine guns (a mix of Lewis and Maxim guns), two submerged broadside 21-inch torpedo tubes, and two depth charge chutes. The number of machine guns was increased to twelve in 1924.

During a refit in 1938 and 1939, Adelaide's armament was altered. One 6-inch gun, the field gun, the anti-aircraft gun, and the torpedo tubes were all removed. They were replaced with three 4-inch anti-aircraft guns. Fire-control equipment was also upgraded at this time. During May and June 1942, the anti-aircraft armament was supplemented by six 20 mm Oerlikon guns. Another refit lasting from June to September 1943 saw a second 6-inch gun removed, the 4-inch armament reduced to two guns, and four hydraulic depth charge throwers installed.

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