View source for Norwegian B-class submarine

{{More citations needed|date=June 2024}}
{{Use dmy dates|date=April 2022}}
{|{{Infobox ship begin |sclass=2}}
{{Infobox ship image
|Ship image=B-2, B-3 & B-4.jpg
|Ship image size=300px
|Ship caption=The B-class submarines ''B-2'', ''B-3'' and ''B-4'' at quay in Norway
}}
{{Infobox ship class overview
|Name=
|Builders=[[Karljohansvern]] [[Naval shipyard]]
|Operators={{navy|Norway}}
|Class before=[[Norwegian A-class submarine|A class]]
|Class after=[[British U-class submarine|U class]]
|Subclasses=
|Cost=
|Built range=
|In service range= 1923 &ndash; 1946
|In commission range=1 February 1923  
|Total ships building= 
|Total ships planned=
|Total ships completed=6
|Total ships cancelled=
|Total ships active=
|Total ships laid up=
|Total ships lost=1
|Total ships retired=5
|Total ships preserved=
}}
{{Infobox ship characteristics
|Hide header=
|Header caption= 
|Ship type=[[Submarine]]
|Ship displacement=*365&nbsp;tons surfaced
*545&nbsp;tons submerged
|Ship length={{convert|51|m|ft|abbr=on}}
|Ship beam={{convert|5.3|m|ft|abbr=on}}
|Ship height=
|Ship draught={{convert|3.5|m|ft|abbr=on}}
|Ship draft=
|Ship power=
|Ship propulsion=*2 × Sulzer {{convert|900|shp|kW|abbr=on}} diesel engines
*2 × {{convert|700|shp|kW|abbr=on}} electric engines
|Ship speed=* {{convert|15|kn|kph|lk=in}} surfaced
* {{convert|8.9|kn|kph}} dived
|Ship range=*{{convert|2,900|nmi|km|lk=in|abbr=on}} at {{convert|9|kn|kph|abbr=on}} surfaced
*{{convert|150|nmi|km|abbr=on}} at {{convert|3|kn|kph|abbr=on}} submerged
|Ship endurance=
|Ship test depth=
|Ship complement=23
|Ship sensors=
|Ship EW=
|Ship armament=*4 × {{convert|45|cm|in|abbr=on}} [[torpedo tube]]s
*1 × {{convert|76|mm|in|abbr=on}} gun
|Ship armour=
|Ship armor=
|Ship notes=
}}
|}

The '''B-class submarines''' were a class of six vessels of the US [[United States L-class submarine|L class]] built on licence at [[Karljohansvern]] [[naval shipyard]] in [[Horten]], [[Norway]] from 1922 to 1929 and deployed by the [[Royal Norwegian Navy]].

==Boats==
[[File:Norsk undervannsbåt "B4" - Telemark politikammer vol.2 - 32.jpg|thumb|''B-4'' near [[Tønsberg]]]]
* {{HNoMS|B-1||2}} (1922&ndash;1946) Escaped to the [[United Kingdom]] 8 June 1940.
* {{HNoMS|B-2||2}} (1923&ndash;1940) Captured by the Germans at [[Fiskå, Rogaland|Fiskå]] on 11 April.
* {{HNoMS|B-3||2}} (1923&ndash;1940) Scuttled in [[Alsvåg]], [[Vesterålen]] 10 June 1940 by its own crew to prevent  capture by the Germans. Ordered to escape to the UK, but prevented by battery explosion.<ref>{{cite web |url=http://www.naval-history.net/xDKWW2-4006-19JUN01.htm |title=Naval Events, June 1940, Part 1 of 4 Saturday 1st – Friday 7th |access-date=17 April 2010 |last=Kindell |first=Don |work=Naval-History.net }}</ref>
* {{HNoMS|B-4||2}} (1923&ndash;1940) Captured by the Germans at [[Filtvet]] on 10 April.
* {{HNoMS|B-5||2}} (1929&ndash;1940) Captured by the Germans at Fiskå on 11 April.
* {{HNoMS|B-6||2}} (1929&ndash;1940) Surrendered to German troops on 18 May under threat of bombing of the port of [[Florø]].

==See also==
*[[List of ship classes of the Second World War]]

==References==
{{Reflist}}

==Bibliography==
* {{cite book |title=Norwegian naval ships 1939&ndash;1945 |last=Abelsen |first=Frank |year=1986 |publisher=Sem & Stenersen AS |location=Oslo |isbn=82-7046-050-8 |language=no, en}}

{{DEFAULTSORT:B-class submarine, Norwegian}}
[[Category:Submarine classes]]
[[Category:Norwegian B-class submarines| ]]


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