Engineering:Laxen-class submarine

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Short description: Swedish coastal submarine class
Model of HSwMS Laxen at the Karlskrona Naval Museum
Class overview
Name: Laxen class
Builders: Karlskrona Navy Yard
Operators:  Swedish Navy
Preceded by: Script error: The function "sclass" does not exist.
Succeeded by: Script error: The function "sclass" does not exist.
Built: 1913–1915
In service: 1914–1935
Completed: 2
Scrapped: 2
General characteristics
Type: Coastal submarine
Displacement:
  • Surfaced: 140 tons
  • Submerged: 170 tons
Length: 26.80 m (87 ft 11 in)
Beam: 3.61 m (11 ft 10 in)
Installed power:
  • 700 bhp (520 kW) (diesel)
  • 200 hp (150 kW) (electric)
Propulsion:
Speed:
  • Surfaced: 8.8 knots (16.3 km/h; 10.1 mph)
  • Submerged: 6.6 knots (12.2 km/h; 7.6 mph)
Complement: 10
Armament: 1 × 457 mm (18.0 in) torpedo tube

The Laxen class was a pair of coastal submarines operated by the Swedish Navy between 1915 and 1935. The vessels were some of the earliest Swedish submarines and a development of an initial design based off missing name. The submarines, Laxen and Gäddan, were commissioned in 1914 and 1915, respectively. The submarines served for about two decades, with the first decommissioned in 1935 and the second in 1931.

Development and design

In 1900, the Swedish Navy sent Carl Richson to the United States, who was ordered to study submarines. After his return, he was inspired by missing name and designed Script error: The function "ship_prefix_templates" does not exist., Sweden's first submarine.[1]: 11  Over the next decade, Hajen's design was further developed to create a fleet of coastal submarines. One of the later evolutions was the Script error: The function "sclass" does not exist. in 1909, which served as the basis for the Laxen class. Compared to their predecessors, the Laxen class featured improved engines and superstructure. An improved design, which featured an additional torpedo tube and better engines, entered service as the Script error: The function "sclass" does not exist. several years later.[1]: 131 

The class measured 26.80 metres (87 ft 11 in) in length with a beam of 3.61 metres (11 ft 10 in) and displaced 140 tons surfaced and 170 tons submerged. The complement consisted of 10 officers and crew. They were powered by a pair of six-cylinder diesel engines and two electric motors that produced 700 brake horsepower (520 kW) and 200 horsepower (150 kW), which drove two propellers. This gave a maximum speed of 8.8 knots (16.3 km/h; 10.1 mph) on the surface and 6.6 knots (12.2 km/h; 7.6 mph) submerged. Armament comprised a single 457-millimetre (18 in) torpedo tube mounted in the bow.[2]: 362 

During World War I, Sweden primarily relied on the Swedish Navy to enforce the nation's neutrality. Swedish doctrine viewed submarines as a cheap method to counter enemy capital ships, and the Navy often pushed to build more boats.[2]: 355  Both were built at the Karlskrona Navy Yard and were commissioned into the fleet by 1915. They served through World War I and were retired in the early 1930s.[2]: 362 

Ships in class

Data[2]: 362 
Name Laid down Launched Commissioned Stricken
Laxen 1913 1914 1914 1935
Gäddan 1914 1915 1915 1931

References

Template:WWI Swedish ships