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fighting ships of the world

KAISERLICHE MARINE (GERMANY)

SUBMARINES

U3 submarines (1909)

U3 1912

Name Yard No Builder Laid down Launched Comp Fate
U3 2 KW Danzig 1907 27/3/1909 5/1909 to United Kingdom 1/12/1918
U4 3 KW Danzig 1907 18/5/1909 7/1909 discarded 1/1919

  

Displacement standard, t

 

Displacement normal, t

421 / 510

Length, m

51.3

Breadth, m

5.60

Draught, m

3.05

No of shafts

2

Machinery

2 Körting petrol engines / 2 SSW electric motors

Power, h. p.

600 / 1030

Max speed, kts

11.8 / 9.4

Fuel, t

petrol 48

Endurance, nm(kts) 1800(12) / 55(4.5)

Armament

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

Complement

22

Diving depth operational, m 30

Ship project history: Known as Project 12 these two boats were built at Danzig N Yd. Double-hulled.

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

1915, both: - 1 x 5 - 37/17; + 1 x 1 - 50/37 SK L/40 C/92

Naval service: U3 served for trials, was raised after a diving accident 17/11/1911 and sunk during the transfer tow to England in 1918. U4 was broken up after the war.

 

Ivan Gogin, 2014