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fighting ships of the world

KAISERLICHE MARINE (GERMANY)

SUBMARINES

U9 submarines (1910-1911)

U9 1914

Name Yard No Builder Laid down Launched Comp Fate
U9 4 KW Danzig 1908 22/2/1910 4/1910 to United Kingdom 11/1918
U10 5 KW Danzig 1908 24/1/1911 8/1911 lost 27/5/1916
U11 6 KW Danzig 1908 2/4/1910 9/1910 sunk 9/12/1914
U12 7 KW Danzig 1908 6/5/1910 8/1911 sunk 10/3/1915

  

Displacement standard, t

 

Displacement normal, t

493 / 611

Length, m

57.4

Breadth, m

6.00

Draught, m

3.13

No of shafts

2

Machinery

4 Körting petrol engines / 2 SSW electric motors

Power, h. p.

1000 / 1160

Max speed, kts

14.2 / 8.1

Fuel, t

petrol 52

Endurance, nm(kts) 1800(14) / 80(5)

Armament

1 x 1 - 7.9/79, 4 - 450 TT (2 bow, 2 stern, 6)

Complement

29

Diving depth operational, m 50

Ship project history: Medium coastal submarines. Double-hulled.

Modernizations: by late 1914, U9, 10, 12: - 1 x 1 - 7.9/79; + 1 x 5 - 37/27 RV L/30

1915, U9, 10: + 1 x 1 - 50/37 SK L/40 C/92

late 1915, U9: - 1 x 5 - 37/17

late 1915, U10: - 1 x 1 - 50/37, 1 x 5 - 37/17; + 1 x 1 - 88/42 TK L/45 C/14

3/1916, U9: - 1 x 1 - 50/37; + 12 mines

12/1916, U9: - 12 mines; + 1 x 1 - 50/37 SK L/40 C/92

Naval service: U10 was lost by unknown cause after 27/5/1916 in the Baltic Sea, probably mined. U11 was mined in English Channel 9/12/1914. U12 was rammed and sunk by explosive paravans of British destroyer Ariel  in the North Sea 10/3/1915.

 

Ivan Gogin, 2014