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U51 submarines (1916)


Photo



U53 1917

Ships


Name No Yard No Builder Laid down Launched Comp Fate
U51   233 Germaniawerft, Kiel 1914 25.11.1915 2.1916 sunk 14.7.1916
U52   234 Germaniawerft, Kiel 1914 8.12.1915 3.1916 to United Kingdom 11.1918
U53   235 Germaniawerft, Kiel 1914 1.2.1916 4.1916 to United Kingdom 12.1918
U54   236 Germaniawerft, Kiel 1914 22.2.1916 5.1916 to Italy 11.1918
U55   237 Germaniawerft, Kiel 1914 18.3.1916 6.1916 to Japan 11.1918 (○3潜水艦 [O3])
U56   238 Germaniawerft, Kiel 1914 18.4.1916 6.1916 lost 3.11.1916


Technical data


Displacement standard, t

 

Displacement normal, t715 / 902
Length, m

65.2

Breadth, m

6.44

Draught, m

3.64

No of shafts

2

Machinery

2 MAN diesels / 2 SSW electric motors

Power, h. p.

2400 / 1200

Max speed, kts

17.1 / 9.1

Fuel, t

diesel oil 103

Endurance, nm(kts)9400(8) / 55(5)
Armament

2 x 1 - 88/27 TK L/30 C/08, 4 - 500 TT (2 bow, 2 stern, 8)

Complement

36

Diving depth operational, m50


Graphics


<i>U53 </i>1917
U53 1917


Project history

Medium coastal submarines of Mobilization type, improved variant of U41 class. Double-hulled.

Modernizations

1916-1917, U52-55: - 2 x 1 - 88/27; + 1 x 1 - 105/43 TK L/45 C/16

1917-1918: U53-55: + 1 x 1 - 88/27 TK L/30 C/08

Naval service

U51 was torpedoed 14.7.1916 in the North Sea by British submarine H5. U52 sank after torpedo explosion 29.10.1917 at KW Kiel, salvaged two days later and commissioned again in May, 1918. U56 was lost by unknown cause after 3.11.1916 in the Arctic.