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Russian battleship

Retvizan (Ретвизан) was a pre dreadnought battleship built before the Russo Japanese War of 1904–1905 for the Imperial Russian Navy. She was built by the American William Cramp & Sons because Russian shipyards were already at full capacity. Named after a Swedish ship of the line that was captured during the battle of Vyborg Bay in 1790 (Rättvisan, meaning both fairness and justice), Retvizan was briefly assigned to the Baltic Fleet, but was transferred to the Far East in 1902. The ship was torpedoed during the Japanese surprise attack on Port Arthur during the night of 8/9 February 1904 and grounded in the harbour entrance when she attempted to take refuge inside, as her draft had significantly deepened from the amount of water she had taken aboard after the torpedo hit. She was refloated and repaired in time to join the rest of the 1st Pacific Squadron when they attempted to reach Vladivostok through the Japanese blockade on 10 August. The Japanese battle fleet engaged them again in the Battle of the Yellow Sea, forcing most of the Russian ships to return to Port Arthur after their squadron commander was killed and his flagship damaged. Retvizan was sunk by Japanese howitzers in December after the Japanese gained control of the heights around the harbour. The Japanese raised and repaired Retvizan after Port Arthur surrendered in January 1905. She was commissioned into the Imperial Japanese Navy as Hizen (肥前) in 1908. Based in Sasebo when Japan declared war on Germany in 1914, the ship was sent to reinforce the weak British squadron off British Columbia, but diverted to Hawaii after reports of a German gunboat there. Hizen was unsuccessfully sent to search for other German ships after the Americans interned the gunboat in November. After World War I she supported the Japanese intervention in the Russian Civil War and was disarmed in 1922 in accordance with the terms of the Washington Naval Treaty. The ship was sunk as a gunnery target in 1924.

Tsar Nicholas II had desired a warm water port on the Pacific since his accession to the throne in 1894. He achieved this ambition in March 1898 when Russia signed a 25 year lease for Port Arthur and the Liaotung Peninsula with China. Japan had previously forced China to sign over the port and its surrounding territory as part of the treaty that concluded the First Sino Japanese War of 1894–95, but the Triple Intervention of France, Russia, and Germany forced them to return the port in exchange for a sizeable increase in the indemnity paid by the Chinese. Japan invested much of the indemnity money in expanding its fleet, while Russia began a major building programme ("For the Needs of the Far East") to defend its newly acquired port. Russian shipyards were already at maximum capacity so the Naval Ministry decided to order ships from abroad. Charles Henry Cramp, the owner and son of the founder of William Cramp & Sons in Philadelphia, had a relationship with the Imperial Russian Navy dating back to the late 1870s when his firm built the auxiliary cruisers Russian cruiser Afrika, Russian cruiser Asia, Russian cruiser Europa and Russian cruiser Zabiiaka. Cramp also repaired several Russian warships visiting America in 1893, and he cultivated the contacts he made in the Russian Navy throughout the 1890s. As such, he was ideally positioned to offer to build a battleship for the Russians in his shipyard when they began to look abroad.

Preliminary design work on a battleship intended to equal the latest Japanese ships began in late 1897 and early 1898 by the Naval Technical Committee; the displacement was limited to for economic reasons. The basic design was that of the with its speed increased to using only two shafts and its steaming range increased to at The Naval Ministry intended to conduct an international design competition with the ships being built abroad as the Baltic shipyards were at full capacity. Cramp's contacts kept him informed of the Russians' intentions and he sailed to Saint Petersburg to offer his services and design expertise in March 1898. Initially Cramp offered American designs to the Russians, including an updated version of Iowa as it was a relatively close match for the Russian specification, but the Russians preferred their own designs. Both sides compromised and the final design was based on the Russian battleship Potemkin. The new ship had four fewer guns, but twice the coal capacity for improved range and a longer, slightly narrower hull for more speed. The contract was signed on 23 April 1898 for a price of $4,360,000. The protected cruiser Russian cruiser Varyag was ordered at the same time for $2,138,000.

Retvizan was 382 feet (116 m) long at the waterline and 386 feet (118 m) long overall. She had a beam of 72 feet (22 m) and a draught of 25 feet (8 m). The ship displaced at normal load. Her hull was subdivided by fourteen transverse watertight bulkheads; in addition a longitudinal centreline bulkhead divided the engine room. Retvizan had a complete double bottom that extended up the side to the lower edge of the armoured deck. She had a metacentric height of 3 feet (1 m). Her crew consisted of 23 officers and 722 enlisted men.

Retvizan had a pair of three cylinder vertical triple expansion steam engines with a total designed output of The Russian Navy preferred to use Belleville boilers, but Cramp pressed for Niclausse boilers, not least because he was the American agent for them and was supported by the General Admiral Grand Duke Alexei Alexandrovich. Twenty four Niclausse type boilers provided steam to the engines at a working pressure of On sea trials, the engines produced and a top speed of , just under the contract speed of 18 knots. Not surprisingly, Cramp claimed that she reached 18.01 knots to avoid contractual penalties. Following Retvizans arrival in Russia, the propeller pitch was adjusted and she exceeded 18 knots. She carried a normal load of of coal that gave her a range of at , and a maximum load of that increased her range to at the same speed.

Retvizans armament was built by the Obukhov Works in Saint Petersburg and shipped to America for installation. The main armament consisted of two pairs of 12 inch 40 calibre guns mounted in French style electrically operated centre pivot twin turrets fore and aft. These guns had a maximum elevation of +15° and could depress to −5°. The ship carried 77 rounds per gun and the guns could fire one round every 80 to 90 seconds. They fired a shell at a muzzle velocity of to a range of
Eight of the twelve 45 calibre 6 inch Canet Pattern 1892 quick firing (QF) guns were mounted in casemates on the main deck while four were mounted on the upper deck. They had a maximum range of around and could fire three to five rounds per minute. The guns were provided with 200 rounds each. They fired an shell at a muzzle velocity of to a maximum range of The rate of fire was between twelve and fifteen rounds per minute. A total of twenty four Hotchkiss guns were carried; four in each fighting top and eight at each end of the superstructure. Six Hotchkiss guns were mounted in the bridge wings. They fired a shell at a muzzle velocity of
Retvizan carried six torpedo tubes. Four were above water, one each in the bow and stern and the aft pair of broadside tubes; the forward broadside tubes were underwater. A total of 17 torpedoes were carried. The ship was designed to carry two second class torpedo boats each equipped with a single torpedo tube and a small quick firing gun. The ship could also carry 45 mines. The ship was fitted with Liuzhol stadiametric rangefinders that used the angle between two vertical points on an enemy ship, usually the waterline and the crow's nest, to estimate the range. The gunnery officer consulted his references to get the range and calculated the proper elevation and deflection required to hit the target. He transmitted his commands via a Geisler electro mechanical fire control transmission system to each gun or turret.

The total weight of the Krupp armour was or 25.8% of the displacement. The armour was mostly made in the United States, although a contract was let for deck armour from Russia on 6 January 1899. The main waterline belt had a maximum thickness of and tapered to thick at its lower edge. It was 256 feet (78 m) long and 7 feet (2 m) high, of which about 3 feet (1 m) was above the waterline. The 6 inch upper belt was as long as the main belt and was 7 feet (2 m) high. Armour plates thick protected the ends of the ship to a height equal to that of the main and upper belts combined. Bulkheads thick provided transverse protection for the ship's vitals. The lower casemate armour was thick and armour screens thick separated each gun. The upper casemate armour consisted of five inches of armour plate with semicircular 1.5 inch thick gun shields enclosing the guns. Her armament arrived in Philadelphia missing electrical cables and with incomplete documentation, which required Cramp's electricians to piece things together themselves, for which Cramp charged an extra $50,000. She was launched on 23 October 1900 and ran her acceptance trials in October 1901. The trials were successful but revealed incomplete work that Cramp had to finish before he received his last payment. More work needed to be done on the armament, but it had to wait until she arrived in Russia. Retvizan was accepted on 23 March 1902, under the command of Captain Eduard Schensnovich who commanded her throughout her Russian service. Retvizan sailed for the Baltic Sea on 13 May 1902 and stopped to re coal in Cherbourg, France, en route. After leaving Cherbourg a boiler tube burst on 14 June, scalding six stokers, three of them fatally. After her arrival she was fitted with radio equipment and took part in a naval review in Reval staged for the state visit of Kaiser Wilhelm II of Germany in August. Later that month she tested an experimental system for coaling at sea; it was deemed successful, but her equipment was removed before she sailed for the Pacific. Retvizan departed on 13 November 1902 in company with the battleship Russian battleship Pobeda and the cruisers Russian cruiser Diana, Russian cruiser Pallada and Russian cruiser Bogatyr; she arrived at Port Arthur on 4 May 1903.

The Pacific Squadron began mooring in the outer harbour at night as tensions with Japan increased, in order to react more quickly to any Japanese attempt to land troops in Korea. Retvizan was on searchlight duty on the night of 8/9 February 1904 and attracted many torpedoes during the Japanese surprise attack that night. She was hit on the port side forward by a torpedo which blew a hole in her side. Five men in the torpedo compartment were killed and all electrical power was knocked out. The ship took on enough water to give her a list of 11°; this was reduced to 5° by counter flooding. A sail was used to cover the hole and steam was raised so she could head for the inner harbour. The of water she had taken aboard had increased her draft enough to cause her to ground in the harbour entrance. She was not refloated until 8 March, but played an important role in the meantime in defeating a Japanese attempt to seal the entrance with block ships on 23–24 February. Repairs began immediately after she was towed into the harbour and were completed on 3 June although no docks were available and a cofferdam had to be built. She sailed with the rest of the Russian squadron on 23 June in an abortive attempt to reach Vladivostok. Rear Admiral Wilgelm Vitgeft returned to Port Arthur when he encountered the Japanese fleet, led by Admiral Tōgō Heihachirō, shortly before sunset as he did not wish to engage the numerically superior Japanese in a night battle. During the summer, Retvizan landed two 6 inch, two 47 mm and six 37 mm guns to reinforce the landward defences of the port. She was hit on 9 August by seven shells fired by a battery with a narrow view of the harbour. Schensnovich was slightly wounded, a barge adjacent to the ship was sunk and she was holed below the waterline. The ship took on a 1° list from of water, which was corrected by counter flooding. The holes were patched, although the water was not pumped out, and she sailed the next day with the fleet in another attempt to reach Vladivostok. This sortie resulted in the Battle of the Yellow Sea.

The battle began as a long range gunnery duel, during which the Russian ships hit the Japanese ships numerous times and forced Tōgō to temporarily disengage. Over two hours after the start of the battle, the Japanese fleet closed the range and started shooting again at 17:35. Forty minutes later a shell struck Retvizans forward turret near the gun ports, killing one turret crewman and wounding six others from the blast pressure. The impact knocked one 12 inch shell off its loading tray, crushing two other sailors and also setting fire to the canvas covering the gun ports. Fearing that the fire might spread, the surviving crewmen flooded the turret, knocking out its electrical system. The crew was able to get the turret partially functional within an hour. At approximately 18:40 hours on 10 August, during the final phase of the battle, the Russian flagship Russian battleship Tsesarevich was hit by 12 inch shells which killed Admiral Vitgeft and his immediate staff. The Russian battleship was turning out of control, disrupting the Russian formation. As the Japanese pre dreadnoughts continued to pound the Tsesarevich with their 12 inch fire, Retvizans captain boldly charged Tōgō's battleline in an attempt to divert the Japanese shellfire onto his ship. The Japanese battle line immediately shifted their fire onto the oncoming Retvizan, firing so many shells that they were unable to adjust their fire due to the number of shell splashes engulfing the Russian battleship. As the Russian squadron was now disorganized, Tōgō's battleships were running low on ammunition and some ships' main guns were disabled, he turned the battle over to his cruisers and destroyers. Retvizan had effectively ended the duel between the opposing fleets, and had saved Tsesarevich from destruction. She was subsequently besieged in Port Arthur and sunk in shallow water by thirteen howitzer shells on 6 December 1904 after the Imperial Japanese Army gained control of the heights surrounding the harbour. Schensnovich was the senior surviving naval officer and signed the capitulation of Port Arthur for the Imperial Russian Navy on 2 January 1905.

Retvizan was raised by the Japanese on 22 September 1905 and renamed Hizen, two days later. The ship departed Port Arthur on 19 November and arrived at Sasebo on 27 November where her repairs lasted until November 1908. Her fighting tops were removed, her light weapons were replaced by Japanese ones, and her boilers were replaced by Miyabara boilers. The barrels and breeches of her main guns were replaced by Japanese built examples and all four above water torpedo tubes were removed. In Japanese service her crew numbered 796 officers and crewmen. Hizen was assigned to the 1st Fleet on 1 December 1909 and was refitted in 1913. Hizen supported the Japanese intervention in the Russian Civil War in 1918 and was often stationed in Vladivostok as a guardship. On 1 September 1921 she was reclassified as a 1st class coast defence ship and disarmed at Sasebo in April 1922 in accordance with the Washington Naval Treaty. She was stricken from the official naval roll on 20 September 1923 and sunk as a target ship in the Bungo Channel on 25 July 1924.