HSwMS ''Hälsingland'' (J23) was the fourth ship 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
Tons can refer to:
* Tons River, a major river in India
* Tamsa River, locally called Tons in its lower parts (Allahabad district, Uttar pradesh, India).
* the plural of ton, a unit of mass, force, volume, energy or power
:* short ton, 2,000 poun ...
heavier, which gave a
draft of 3.7 meters, against the ''Öland''-class of 3.4 meters. The machinery consisted of two oil-fired
steam boilers of the
Babcock & Wilcox brand, which supplied steam with a pressure of 32 bars to two steam turbines of the
DeLaval 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 on the axles, which gave a top speed of 35
knots.
The main guns consisted of four 120 mm (4.7 in) guns m/44 Â 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 tubes 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
''Hälsingland'' was built at
Götaverken in
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 14 January 1957 and
commissioned on 17 June 1959.
Gästrikland was
decommissioned on 1 July 1982, after which her superstructure has been dismantled and transferred to
Upper Norrland's military area, where they were intended to be used for invasion defense. However, she were never used but were later scrapped. The hull was used by disposal of FOA for explosive tests, before it was sold for scrap in
Karlskrona
Karlskrona (, , ) is a locality and the seat of Karlskrona Municipality, Blekinge County, Sweden with a population of 66,675 in 2018. It is also the capital of Blekinge County. Karlskrona is known as Sweden's only baroque city and is host to Swed ...
.
References
Notes
Print
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External links
Östergötland-class destroyers
Ships built in Gothenburg
1957 ships
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