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Japanese Battlecruiser Ibuki

Japanese Battlecruiser Ibuki

Japanese Battlecruiser Ibuki

Commissioned on 11 November 1907, Ibuki was originally classified as an armoured cruiser. On 28 August 1912, the Ibuki and her sister ship Kurama were re-classified as battlecruisers.

During the First World War, Ibuki along with the Australian light cruiser HMAS Sydney, Ibuki escorted a convoy consisting of 20,000 Australian and New Zealand soldiers and 7,500 horses, across the Indian Ocean. During the passage, HMAS Sydney left the convoy to engage the German light cruiser Emden at the Battle of Cocos. Although the more powerful vessel, Ibuki was ordered to stay with the convoy as she was their only protection.

Post-war Ibuki was sold for scrap on 20 September 1923 in accordance with the Washington Treaty.

Displacement14,871 t (14,636 long tons) (standard);
15,845 t (15,595 long tons) (max)
Length140 m (450 ft) p.p.; 148 m (485 ft) oa
Beam23 m (75 ft 6 in)
Draft8 m (26 ft 3 in)
Installed power24,000 shp (18,000 kW)
Propulsion2 × geared Curtis steam turbines Mirabura boilers
2 × shafts
Speed21.5 kn (39.8 km/h; 24.7 mph)
Range5,000 nmi (9,300 km; 5,800 mi) at 14 kn (26 km/h; 16 mph)
CapacityCoal: 610 t (600 long tons) (normal);
2,000 t (2,000 long tons) (maximum)
Fuel Oil: roughly 250 t (250 long tons)
Complement844
Armament2 × twin 12-inch 41st Year Type guns
4 × twin 8-inch (200 mm) 41st Year Type guns
14 × single 4.7-inch (120 mm) 41st Year Type guns
4 × 8 cm (3.1 in) guns
3 × 45 cm (17.7 in) torpedo tubes
ArmorBelt:
Amidships: 10–18 cm (4–7 in)
Ends: 10 cm (4 in)
Barbettes: 18 cm (7 in)
Turrets:
Main: 18 cm (7 in)
Secondary: 12.5 cm (5 in)
Conning Tower:
Forward: 20 cm (7.9 in)
Aft: 15 cm (6 in)
Deck: Main: 5.2 cm (2 in)
Lower Deck Redoubt: 12.7 cm (5 in)

Italian Submarine Perla

Perla

Italian Submarine Perla

Perla was the lead ship of her class of submarines built for the Italian Regina Marina. On June 6, 1942, Perla launched two torpedoes at the British corvette HMS Hyacinth. Both missed and Hyacinth counter attacked with depth charges. Suffering serious damage, Captain Ventura ordered her to surface and be scuttled. Damage to the Kingston Valves caused by the attack meant that she flooded very slowly. This provided time for the British to board and prevent her sinking.

Repaired and commissioned into the British Royal Navy she was renamed HMS P712.

While in British service she was used to evaluate the level of development of Italian submarines.

In 1943, she was transferred to the Hellenic Navy and renamed Matrozos. She served until 1947 when she was sold and scrapped.

Greek Submarine Matrozos

The captured Perla, at anchor in Beirut harbour, Syria 17 July 1942

Greek Submarine Matrozos

Matrozos was a Perla-class submarine captured by the Royal Navy during World War Two and subsequently operated by the Royal Hellenic Navy.

Perla was the lead ship of her class of submarines built for the Italian Regina Marina. On June 6, 1942, Perla launched two torpedoes at the British corvette HMS Hyacinth. Both missed and Hyacinth counter attacked with depth charges. Suffering serious damage, Captain Ventura ordered her to surface and be scuttled. Damage to the Kingston Valves caused by the attack meant that she flooded very slowly. This provided time for the British to board and prevent her sinking.

Repaired and commissioned into the British Royal Navy she was renamed HMS P712.

While in British service she was used to evaluate the level of development of Italian submarines.

In 1943, she was transferred to the Hellenic Navy and renamed Matrozos. She served until 1947 when she was sold and scrapped.