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SM U-23 (Germany)
Career (German Empire) War Ensign of Germany 1903-1918
Name: U-23
Ordered: 18 March 1911
Builder: Friedrich Krupp Germaniawerft, Kiel
Cost: 2,808,000 Goldmark
Yard number: 117
Laid down: 21 December 1911
Launched: 12 April 1912
Commissioned: 11 September 1913
Fate: 20 Jul 1915 - torpedoed and sunk by HMS C27
General characteristics Ocean-going diesel submarine
Class & type: German Type U 23 submarine
Displacement: 669 t (737 short tons) ↑
864 t (952 short tons) ↓
Length: 64.70 m (212.3 ft)
Beam: 6.32 m (20 ft 9 in)
Draught: 3.45 m (11 ft 4 in)
Propulsion: 2 shafts
2 × Germania 6-cylinder two stroke diesel motors with 1,800 PS (1,800 hp)
2 × SSW double Motordynamos with 1,200 PS (1,200 hp)
450rpm ↑
330 rpm ↓
Speed: 16.7 knots (30.9 km/h) ↑
10.3 knots (19.1 km/h) ↓
Range: 97,910 nautical miles (112,670 mi; 181,330 km) @ 8 kn ↑
85 nautical miles (98 mi; 157 km) @ 5 kn ↓
Test depth: about 50 m (160 ft)
Boats & landing
craft carried:
1 dingi
Complement: 4 officers, 31 men
Armament: 4 x 50 cm (19.7 in) torpedo tubes (2 each bow and stern) with 6 torpedoes
1 × 8.8 cm (3.5 in) SK L/30 gun
Service record
Part of: Imperial German Navy Flotilla,
Commanders: Erwin Weisbach 1 Aug 1914 - 25 Nov 1914
Hans Adam Egewolf 18 Dec 1914 - 12 Jan 1915
Hans Schulthess 13 Jan 1915 - 20 Jul 1915[1]
Operations: 3 patrols[1]
Victories: 12 ships sunk for a total of 16,550 tons; 1 ship captured for a total of 3,538 tons.

SM U-23 was one of the 329 U-boats serving in the Imperial German Navy in World War I. U-23 was engaged in the naval warfare and took part in the First Battle of the Atlantic.

U-23 served on 3 war patrols, sinking a total of 7 ships for 8,822 tons. She was baited by the Q ship Princess Louise and torpedoed by HMS C27 at 58°55′N 0°14′E / 58.917°N 0.233°E / 58.917; 0.233Coordinates: 58°55′N 0°14′E / 58.917°N 0.233°E / 58.917; 0.233, between the Orkney and Shetland Islands off Fair Isle. Twenty four men died and 10 survived.[1]

References[]


All or a portion of this article consists of text from Wikipedia, and is therefore Creative Commons Licensed under GFDL.
The original article can be found at SM U-23 (Germany) and the edit history here.
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