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FIGHTING SHIPS OF THE WORLD
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SUBMARINES
U71 (UE I) submarine minelayers (1915 - 1916)


Ships


Name No Yard No Builder Laid down Launched Comp Fate
U71   55 Vulcan, Hamburg 1915 31.10.1915 12.1915 to France 2.1919
U72   56 Vulcan, Hamburg 1915 31.10.1915 1.1916 Austrian flag 1916 (U72), scuttled 1.11.1918
U73   29 KW Danzig 1915 16.6.1915 10.1915 Austrian flag 1916 (U73), scuttled 30.10.1918
U74   30 KW Danzig 1915 10.8.1915 11.1915 sunk 27.5.1916
U75   57 Vulcan, Hamburg 1915 30.1.1916 3.1916 sunk 13.12.1917
U76   58 Vulcan, Hamburg 1915 12.3.1916 5.1916 sunk 27.1.1917
U77   59 Vulcan, Hamburg 1915 9.1.1916 3.1916 sunk 7.7.1916
U78   60 Vulcan, Hamburg 1915 27.2.1916 4.1916 sunk 28.10.1918
U79   61 Vulcan, Hamburg 1915 9.4.1916 5.1916 to France 11.1918 (Victor Réveille)
U80   62 Vulcan, Hamburg 1915 22.4.1916 6.1916 to United Kingdom 1.1919


Technical data


Displacement standard, t

 

Displacement normal, t

U71, 72, 75 - 80: 755 / 832

U73, 74: 745 / 829

Length, m

56.8

Breadth, m

5.90

Draught, m

U71, 72, 75 - 80: 4.86

U73, 74: 4.84

No of shafts

2

Machinery

U71, 72, 75, 76: 2 Benz diesels / 2 SSW electric motors

U73, 74, 77 - 80: 2 Körting diesels / 2 SSW electric motors

Power, h. p.

U71, 72, 75, 76: 900 / 900

U73, 74: 800 / 800

U77 - 80: 900 / 800

Max speed, kts

U71, 72: 10.6 / 7.9

U73, 74: 9.6 / 7.9

U75, 76: 9.9 / 7.9

U77 - 80: 9.9 / 7.8

Fuel, t

U71, 72, 75 - 80: diesel oil 90

U73, 74: diesel oil 82

Endurance, nm(kts)

U71, 72, 75 - 80: 7880(7) / 83(4)

U73, 74: 5480(7) / 83(4)

Armament

1 x 1 - 88/27 TK L/30 C/08, 2 - 500 TT (1 bow, 1 stern, 4), 38 mines

Complement

32

Diving depth operational, m

50



Standard scale images


<i>U75</i> 1917
U75 1917


Project history

UE and UE I type ocean-going minelayers. Saddle-tank type.

Modernizations

1916-1917, U73, 79, 1918, U71, 78, 80: - 1 x 1 - 88/27; + 1 x 1 - 105/43 TK L/45 C/16

1917, U72: + 1 x 1 - 105/43 TK L/45 C/16

Naval service

U74 was sunk 27.5.1916 in the North Sea by British trawlers Searanger, Oku, Rodino and Kimberley. U75 was mined 13.12.1917 in the North Sea. U76 was rammed by Russian trawler 27.1.1917 in the Arctic. U77 was sunk by British trawlers 7.7.1916 in the North Sea. U78 was torpedoed by British submarine G2 28.10.1918 in the North Sea.