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FIGHTING SHIPS OF THE WORLD
SWEDEN
SUBMARINES
U1 submarines (1942-1945)


Photo



U4 1944

Ships


Name No Yard No Builder Laid down Launched Comp Fate
U1 U1 234 Kockums, Malmö 1940 14.6.1941 5.1942 stricken 7.1960
U2 U2 308 Örlogsvarvet Karlskrona 1940 16.5.1942 3.1943 stricken 12.1961
U3 U3 309 Örlogsvarvet Karlskrona 1940 11.6.1942 11.1943 stricken 11.1964
U4, 1964- Forellen U4, 1964- For 266 Kockums, Malmö 1943 5.6.1943 4.1944 stricken 7.1970
U5, 1964- Abborren U5, 1964- Abb 267 Kockums, Malmö 1943 8.7.1943 6.1944 stricken 7.1976
U6, 1964- Siken U6, 1964- Sik 268 Kockums, Malmö 1943 18.8.1943 7.1944 stricken 7.1974
U7, 1964- Gäddan U7, 1964- Gäd 269 Kockums, Malmö 1943 25.11.1943 9.1944 stricken 7.1973
U8, 1964- Laxen U8, 1964- La, Lax 310 Örlogsvarvet Karlskrona 1943 25.4.1944 10.1944 stricken 7.1976
U9, 1964- Makrillen U9, 1964- Ma, Mak 311 Örlogsvarvet Karlskrona 1943 23.5.1944 11.1944 stricken 7.1976


Technical data


Displacement standard, t367
Displacement normal, t

/ 450
Length, m

49.6
Breadth, m

4.70
Draught, m

3.80
No of shafts

2
Machinery

1 MAN diesel-generator / 2 electric motors
Power, h. p.

1350 /
Max speed, kts

13.8 / 7.5
Fuel, t

diesel oil
Endurance, nm(kts) 
Armament

1 x 1 - 20/63 K/66 M40, 4 - 533 TT (3 bow, 1 stern, 8)
Electronic equipmenthydrophone
Complement

23
Diving depth operational, m60?


Standard scale images


<i>U5</i> 1954
U5 1954
<i>Abborren </i>1965
Abborren 1965


Graphics


<i>U4</i> 1944
U4 1944
<i>Laxen </i>1972 <i>Many thanks to Wolfgang Stöhr for additional information on this page.</i>
Laxen 1972 Many thanks to Wolfgang Stöhr for additional information on this page.


Project history

Submarines of smaller, in comparison with the predecessors, displacement. The decision on their building was accepted right after the Second World War beginnings. First of all they were intended for coast defence in case of landing of one of belligerent parties. Their construction was whenever possible simplified for acceleration and reduction in price of building. Unique Swedish single-hulled submarines (others were double-hulled). The so-called "American" machinery scheme became other difference of these submarines: diesel worked on the generator which, in turn, charged battery or gave a current on two main electric motors.

Modernizations

1962, U4, U5; 1963, U7, U9; 1964, U6, U8: - 1 x 1 - 20/66, 1 - 533 TT (stern); + radar, sonar; CT was streamlined (submerged speed increased to 9kts), displacement became 430/460t; 2 MAN diesel-generators/ 2 electric motors, 1500/750hp, 14/9kts.

Naval service

no significant events.