NAVYPEDIA

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

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.