Soviet Battleship Marat

''Petropavlovsk'' () was the third of the four dreadnoughts built before World War I for the Imperial Russian Navy, the first Russian class of dreadnoughts. She was named after the Russian victory in the siege of Petropavlovsk during the Crimean War. The ship was completed during the winter of 1914–1915, but was not ready for combat until mid-1915. Her role was to defend the mouth of the Gulf of Finland against the Germans, who never tried to enter, so she spent her time training and providing cover for minelaying operations. Her crew joined the general mutiny of the Baltic Fleet after the February Revolution of 1917 and she was the only dreadnought available to the Bolsheviks for several years after the October Revolution of 1917. She bombarded the mutinous garrison of Fort Krasnaya Gorka and supported Bolshevik light forces operating against British ships supporting the White Russians in the Gulf of Finland in 1918–1919. Later, her crew joined the Kronstadt rebellion of 1921 and she was renamed ''Marat'' after the rebellion was crushed.

''Marat'' was reconstructed from 1928 to 1931 and represented the Soviet Union at the Coronation Naval Review at Spithead in 1937. Two years later, she bombarded a Finnish coastal artillery position during the Winter War once before the Gulf of Finland iced up. Shortly afterwards, her anti-aircraft armament was upgraded. When the Germans invaded on 22 June 1941 she was in Kronstadt and provided gunfire support to Soviet troops in September as the Germans approached Leningrad. Later that month she had her bow blown off and sank in shallow water after two hits by bombs (dropped by two Ju 87 Stukas, one of which was piloted by Hans Ulrich Rudel) that detonated her forward magazine. The remaining rear section was refloated several months later and became a stationary artillery battery, providing gunfire support during the siege of Leningrad. ''Marat'' resumed her original name in 1943 and plans were made to reconstruct her after the war, using the bow of her sister ''Frunze'', but they were not accepted and were formally cancelled in 1948. ''Petropavlovsk'' was renamed ''Volkhov'' in 1950, after the nearby Volkhov River, and served as a stationary training ship until stricken in 1953 and broken up afterwards.

Design

''Petropavlovsk'' was long at the waterline and long overall. She had a beam of and a draft of , more than designed. Her displacement was at load, over more than her designed displacement of .

''Petropavlovsk''s machinery was built by the Baltic Works. Four Parsons-type steam turbine sets drove the four propellers. The engine rooms were located between turrets three and four in three compartments. The outer compartments each had a high-pressure ahead and reverse turbine for each wing propeller shaft. The central engine room had two low-pressure ahead and astern turbines as well as two cruising turbines driving each of the two center shafts. The engines had a total designed output of , but they produced during her sister 's full-speed trials on 21 November 1915 and gave a top speed of . Twenty-five Yarrow boilers provided steam to the engines at a designed working pressure of . Each boiler was fitted with Thornycroft oil sprayers for mixed oil/coal burning. They were arranged in two groups. The forward group consisted of two boiler rooms in front of the second turret, the foremost of which had three boilers while the second one had six. The rear group was between the second and third turrets and comprised two compartments, each with eight boilers. At full load she carried of coal and of fuel oil and that provided her a range of at a speed of .

The main armament of the ''Gangut''s consisted of a dozen 52-caliber Obukhovskii Pattern 1907 guns mounted in four triple turrets distributed the length of the ship. The Russians did not believe that superfiring turrets offered any advantage, discounting the value of axial fire and believing that superfiring turrets could not fire while over the lower turret because of muzzle blast problems. They also believed that distributing the turrets, and their associated magazines, over the length of the ship improved the survivability of the ship. Sixteen 50-caliber Pattern 1905 guns were mounted in casemates as the secondary battery intended to defend the ship against torpedo boats. The ships were completed with only a single 30-caliber ''Lender'' anti-aircraft (AA) gun mounted on the quarterdeck. Other AA guns were probably added during the course of World War I, but details are lacking.McLaughlin, pp. 220–221 Budzbon says that four were added to the roofs of the end turrets during the war. Four submerged torpedo tubes were mounted with three torpedoes for each tube.

Construction and career

''Petropavlovsk'' was built by the Baltic Works in Saint Petersburg. Her keel was laid down on 16 June 1909 and she was launched on 22 September 1911. She entered service on 5 January 1915, six months after the start of World War I, when she reached Helsinki and was assigned to the First Battleship Brigade of the Baltic Fleet. ''Petropavlovsk'' and her sister provided distant cover for minelaying operations on 10–11 November and 6 December 1915. She saw no action of any kind during 1916. Her crew joined the general mutiny of the Baltic Fleet on 16 March 1917, after the idle sailors received word of the February Revolution in Saint Petersburg. On 26 October, ''Petropavlovsk'' ran aground. She was refloated on 13 November with assistance from ''Gangut''. The Treaty of Brest-Litovsk required the Soviets to evacuate their naval base at Helsinki in March 1918 or have their ships interned by newly independent Finland even though the Gulf of Finland was still frozen over. ''Petropavlovsk'' and her sisters led the first group of ships on 12 March and reached Kronstadt five days later in what became known as the "Ice Voyage".McLaughlin, pp. 207, 299–303

''Petropavlovsk'' was the only operable dreadnought belonging to the Soviets and provided cover to smaller ships on raiding missions. On 31 May 1919 she fired in support of the and several minesweepers that had taken the bait laid by the British forces supporting the White Russians. The British destroyer appeared to be operating alone and the Soviets sortied to attack her, but a number of other British destroyers were positioned to sweep in behind the Soviets. ''Azard'' retreated at full speed and ''Petropavlovsk'' opened fire on ''Walker'' at about . She hit ''Walker'' twice, inflicting only minor damage and wounding two sailors, and the British destroyers eventually disengaged when they got too close to Soviet coastal artillery and minefields. A few days later ''Petropavlovsk'' and the pre-dreadnought battleship bombarded Fort Krasnaya Gorka whose garrison had mutinied against the Bolsheviks. She fired no fewer than 568 12-inch shells and the garrison surrendered on 17 June when Leon Trotsky promised them their lives, only to subsequently order them machine-gunned. On 17 August 1919 ''Petropavlovsk'' was claimed as torpedoed and put out of action by the British Coastal Motor Boat ''CMB 88'' during a night attack in Kronstadt harbor, but was, in fact, not damaged at all. The crew of ''Petropavlovsk'' joined the Kronstadt rebellion of March 1921. After it was bloodily crushed she was renamed ''Marat'' to honor the French revolutionary leader Jean-Paul Marat on 31 March 1921. By 1922 her primary rangefinder had been moved to a platform on the foremast and she mounted three 3-inch "Lender" AA guns each on the roofs of the fore and aft turrets.

''Marat'' was partially reconstructed between the northern autumn of 1928 and 8 April 1931 at the Baltic Works. The most obvious external change was a much more elaborate forward superstructure needed to house new fire control instruments. A KDP-6 fire-control director, with two Zeiss rangefinders, was positioned at the top of the tubular foremast. An Zeiss rangefinder was also added on the rear superstructure. The top of the forward funnel was lengthened by about and angled backwards in an attempt to keep the exhaust gases away from the control and gunnery spaces. A derrick was added to the mainmast to handle a KR-1 flying boat imported from Germany that was stored above the third turret. No aircraft catapult was fitted so the aircraft had to take off and land on the water. A forecastle was added to the bow, which was also given much more sheer and flare to improve her sea-keeping abilities. Her turrets were overhauled, her guns replaced and new 8-meter rangefinders were installed on every turret. Her boilers were converted to only burn fuel oil and the more powerful boilers allowed the forward three boilers to be removed. The space freed up was used for anti-aircraft ammunition and various control spaces. The cruising turbines were also removed which simplified the ship's machinery at a small cost in power. These changes increased her displacement to at full load and her overall length to . Her metacentric height increased to from her designed mainly because she now carried much of her fuel in her double bottom rather than in coal bunkers high on the sides of the ship. More weight was added to her before World War II, including an increase in the thickness of her turret roofs to , that decreased her metacentric height to only . This was unsatisfactory and plans were made to reconstruct her again, but they were cancelled when the Germans attacked in 1941.

''Marat'' took part in the 1937 Coronation Review in Britain. Her participation in the Winter War was minimal as she bombarded Finnish coast defense guns one time at Saarenpää in the Koivisto Islands with 133 high explosive shells before the Gulf of Finland iced over.McLaughlin, p. 401 In early 1940 her anti-aircraft armament was reinforced. She exchanged her elderly 3-inch "Lender" guns for modern 34-K guns and two twin-gun 76.2 mm 81-K mounts were mounted on her quarterdeck. The magazines for these guns were situated in the rearmost casemates on each beam, which lost their 120 mm guns. At some point six automatic 70-K guns were also added. These additions boosted her displacement to at full load. She sailed to Tallinn shortly after the Soviets occupied Estonia, although she returned to Kronstadt on 20 June 1941, two days before the German invasion of Russia began. ''Marat'' opened fire on troop positions of the German 18th Army from the Leningrad Sea Canal on 8 September. She was lightly damaged by German guns on 16 September.

She was sunk at her moorings on 23 September 1941 by two near-simultaneous hits by bombs near the forward superstructure. They caused the explosion of the forward magazine which heaved the turret up, blew the superstructure and forward funnel over to starboard and demolished the forward part of the hull from frames 20 to 57. 326 men were killed and the ship gradually settled to the bottom in of water.McLaughlin, p. 402 Her sinking is commonly credited to the Stuka pilot Oberleutnant Hans-Ulrich Rudel of III./StG 2, but Rudel dropped only one of the two bombs. The rear part of the ship was later refloated and she was used as a floating battery although all of her 120 mm guns were removed. Initially only the two rearmost turrets were operable, but the second turret was repaired by the autumn of 1942. She fired a total of 1,971 twelve-inch shells during the siege of Leningrad. In December 1941 granite slabs thick from the nearby harbor walls were laid on her decks to reinforce her deck protection. Another transverse bulkhead was built behind frame 57 and the space between them was filled with concrete to prevent her sinking if the original bulkhead was ruptured.

She resumed her original name on 31 May 1943. After the war there were several plans to reconstruct her, using the bow of the ''Frunze'', but they were not accepted and were formally cancelled on 29 June 1948. She was renamed ''Volkhov'', after the nearby river, on 28 November 1950 and served as a stationary training ship until stricken on 4 September 1953. The ship was subsequently broken up.McLaughlin, pp. 413–414

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Specifications

{{DEFAULTSORT:Petropavlovsk (1911)
Gangut-class battleships
World War I battleships of Russia
1911 ships
Ships built at the Baltic Shipyard
Maritime incidents in 1917
Battleships sunk by aircraft
Naval magazine explosions
Training ships
Maritime incidents in September 1941
Ships sunk by German aircraft