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fighting ships of the world

DANISH ROYAL NAVY (DENMARK)

SUBMARINES

ROTA submarines (1920-1922)

Bellona 1940

Name No Builder Laid down Launched Comp Fate
Rota C1 Orlogsværftets, København 3/1917 16/8/1918 9/1920 scuttled 29/8/1943
Bellona C2 Orlogsværftets, København 6/1917 14/3/1919 7/1921 scuttled 29/8/1943
Flora C3 Orlogsværftets, København 8/1918 23/4/1920 1/1922 scuttled 29/8/1943

 

 

Displacement standard, t

290

Displacement normal, t

301 / 369

Length, m

47.5

Breadth, m

4.77

Draught, m

2.70

No of shafts

2

Machinery

2 Burmeister & Wain diesels / 2 Titan electric motors

Power, h. p.

900 / 640

Max speed, kts

14.5 / 10.5

Fuel, t

diesel oil 12

Endurance, nm(kts)  

Armament

1 x 1 - 57/40 M.1885 AA, 4 - 450 TT (3 bow, 1 stern, 4)

Complement

17

Diving depth operational, m  

Ship project history: Designing of submarines of this class was conducted by Danish Admiralty on the basis of American Holland-designed boats, but with a number of original technical decisions. Original arrangement of TTs has been applied on them: three in a bow (one over another) and one in a stern, and latter launched a torpedo under an angle upwards. Deck TT before CT was passed trials on lead submarine, but its construction has appeared unsuccessful: it was removed from Rota, and two other boats never received it. Single-hulled.

Modernizations: None.

Naval service:  All three submarines were scuttled by crews 29/8/1943 at Copenhagen.

Rota

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Ivan Gogin, 2010-14