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MINE WARFARE SHIPS
RUOTSINSALMI minelayers (1941)


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Ruotsinsalmi

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Ruotsinsalmi   759 Crichton-Vulcan, Aabo 1938 5.1940 2.1941 stricken 1974
Riilahti   760 Crichton-Vulcan, Aabo 1938 1940 1941 sunk 23.8.1943


Technical data


Displacement standard, t

310
Displacement full, t?
Length, m

50.0
Breadth, m

7.90
Draught, m

1.50
No of shafts

2
Machinery

2 Rateau diesels
Power, h. p.

1120
Max speed, kts

15
Fuel, t

diesel oil
Endurance, nm(kts) 
Armament

1 x 1 - 75/48 Canet, 1 x 1 - 40/56 Bofors M38, 2 x 1 - 20/60 Madsen, mechanical minesweeping gear, 100 mines
Complement

60


Standard scale images


<i>Ruotsinsalmi </i>1960
Ruotsinsalmi 1960
<i>Riilahti</i> 1941
Riilahti 1941


Graphics


<i>Ruotsinsalmi</i>
Ruotsinsalmi
<i>Ruotsinsalmi </i>1969 <i>Many thanks to Wolfgang Stoehr for additional information on this page.</i>
Ruotsinsalmi 1969 Many thanks to Wolfgang Stoehr for additional information on this page.
<i>Ruotsinsalmi</i> postwar
Ruotsinsalmi postwar


Project history

Successful multi-purpose minesweepers-minelayers, thanks to shallow draught could operate safely enough in areas with raised mine danger.

Modernizations

1950s, Ruotsinsalmi: was rearmed with 2 x 1 - 40/60 Mk 7, 2 x 1 - 20/70 Mk 7, 100 mines, radar; diesels were replaced by 2 MAN (1200hp, 15kts)

Naval service

Riilahti S of Tiiskeri 23.8.1943 was attacked by three Soviet MTBs and sunk by torpedo from MTB No94.