HMS ''Östergötland'' (J20) was the

lead ship The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable to naval ships and large civilian vessels. Large ships are very complex and may ...

of the .

Design

Due to time and cost, HSwMS ''Östergötland'', like the other ships in the class, was built largely according to the drawings of the ''Öland''-class destroyer. The length of the ship was 111.8 meters and the

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

was 11.2 meters. Due to different equipment, however, the new vessels became about 200 tons heavier, which gave a

draft Draft, The Draft, or Draught may refer to: Watercraft dimensions * Draft (hull), the distance from waterline to keel of a vessel * Draft (sail), degree of curvature in a sail * Air draft, distance from waterline to the highest point on a vessel ...

of 3.7 meters, against the ''Öland''-class of 3.4 meters. The machinery consisted of two oil-fired

steam boilers Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization. ...

of the Babcock & Wilcox brand, which supplied steam with a pressure of 32 bars to two steam turbines of the

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brand, which in turn each operated a

propeller A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ...

. The machinery gave the effect 47,000

horsepower Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the ...

on the axles, which gave a top speed of 35

knots A knot is a fastening in rope or interwoven lines. Knot may also refer to: Places * Knot, Nancowry, a village in India Archaeology * Knot of Isis (tyet), symbol of welfare/life. * Minoan snake goddess figurines#Sacral knot Arts, entertainme ...

. The main guns consisted of four 120 mm (4.7 in) guns m/44 placed in two double towers, one on the foredeck and one on the aft deck. From the beginning, the air defense consisted of seven 40 mm automatic cannons w / 48 E. These were placed two for the superstructure, one on each side amidships, and three on the aft bridge. Around 1965, the middle cannon on the aft bridge was replaced by the

anti-aircraft missile Anti-aircraft missiles are guided missiles designed to destroy or damage aircraft An aircraft is a vehicle that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dy ...

Robot 07, and to increase the stability of the ship, the two cannons were removed at the same time amidships. For the same reason, all six

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

s were also placed in a tube rack, having previously stood in two racks. There were also two submarine bombers and 58 mines on board.

History

''Östergötland'' was built at

Götaverken Götaverken was a shipbuilding company that was located on Hisingen, Gothenburg. During the 1930s it was the world's biggest shipyard by launched gross registered tonnage. It was founded in 1841, and went bankrupt in 1989. History The company w ...

Gothenburg Gothenburg (; abbreviated Gbg; sv, Göteborg ) is the second-largest city in Sweden, fifth-largest in the Nordic countries, and capital of the Västra Götaland County. It is situated by the Kattegat, on the west coast of Sweden, and has ...

and was launched on 25 June 1956 in which her

sea trial A sea trial is the testing phase of a watercraft (including boats, ships, and submarines). It is also referred to as a " shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and ...

took place in 1957 and commissioned in 1958. In 1961, the fleet's long-haul vessel

HSwMS Älvsnabben (M01) HSwMS ''Älvsnabben'' (M01) was a minelayer of the Swedish Navy. She was built as a freighter, but was requisitioned by the Swedish Navy in 1943. A single screw and good fuel economy meant that she was used as the cadet training vessel of the Sw ...

underwent a review and instead ''Östergötland'' went on a long voyage together with HSwMS Öland (J16). The voyage went to the multiple ports. ''Östergötland'' was decommissioned on 1 July 1982 and sold in 1985 for scrapping in

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

References

Notes

Print

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External links

Östergötland-class destroyers Ships built in Gothenburg 1956 ships {{Sweden-museum-stub