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Originally assigned Project 2. [1] 2 Guard Ship: Uragan-class: 1926 633 8 Uragan-class Series I. Originally assigned Project 1 but poor test results led to its number being swapped with the Leningrad-class. [2] 3 Minesweeper: Fugas-class: 1930 Fugas-class Series I. 4 Guard Ship Uragan-class 1931 619 4 Uragan-class Series II. [2] 5 Cargo Lighter ...
The secondary armament consisted of twelve 57-caliber B-38 152 mm guns mounted in six twin-gun MK-4 turrets. Their elevation limits were −5° to +45° with a fixed loading angle of 8°. Their rate of fire also varied with the elevation from 7.5 to 4.8 rounds per minute. They were provided with 170 rounds per gun. [16]
The riveted hull was subdivided by 24 transverse bulkheads and used longitudinal framing in the citadel, but transverse framing for the structure fore and aft of the citadel. The metacentric height was 2.8 meters (9 ft 2 in) for the 305 mm gunned ships, but dropped to 2.58 meters (8 ft 6 in) in the 380 mm gunned ships. The tactical diameter was ...
To speed up production, it was decided to build an improved version of the pre-war Chapayev-class cruiser (Project 68), the Sverdlov (Project 68B) instead of a wholly new design (Project 65). The design for the Sverdlov class was formally approved on 27 May 1947.
The armor of the Project 26 ships was vulnerable even to destroyer-class weapons at ranges under 10 km (6.2 mi) and the last four ships were given additional armor. The belt, traverse bulkheads, barbettes and turret face thicknesses were all increased to 70 mm (2.8 in) and the box protecting the steering gear was increased to 30 mm (1.2 in).
The start date of an SCB project can be several years before it became a budget line item or an actual ship construction. SCB 157 began in July 1955 as a study for a new amphibious assault helicopter carrier, but a resultant ship (the future Iwo Jima) was not laid down until 2 April 1959. An even more extreme example is SCB 123, which began in ...
Scale model of the Project 23550 patrol ship. Project 23550 patrol ships have a planned displacement of 8,500 tonnes (8,400 long tons; 9,400 short tons), a length of 114 metres (374 ft 0 in) and a draught of 6 metres (19 ft 8 in). [10] The ships will be equipped with two Raptor-class patrol boats, a Ka-27 helicopter and small hovercraft. The ...
[7] [8] [9] As of November 2020, the allocation between shipyards for the ten new vessels had still to be decided. [10] In December it was announced that the Amur Shipyard would build six new corvettes (two Project 20380 and four Project 20385) for the Pacific Fleet with projected service entry between 2024 and 2028. Construction was to begin ...