SM U-23 (Germany)

From Wikipedia, the free encyclopedia
  (Redirected from German Type U 23 submarine)
Jump to: navigation, search
For other ships of the same name, see German submarine U-23.
Career (German Empire)
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 and type: German Type U 23 submarine
Displacement: 669 t (737 short tons) surfaced
864 t (952 short tons) submerged
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 surfaced
330 rpm submerged
Speed: 16.7 knots (30.9 km/h; 19.2 mph) surfaced
10.3 knots (19.1 km/h; 11.9 mph) submerged
Range: 97,910 nautical miles (181,330 km; 112,670 mi) at 8 kn surfaced
85 nautical miles (157 km; 98 mi) at 5 kn submerged
Test depth: about 50 m (160 ft)
Boats and 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
IV Flotilla
1 Aug 1914 - unknown end
III Flotilla
unknown start - 20 Jul 1915
Commanders: Kptlt Erwin Weisbach[1]
1 Aug 1914 - 25 Nov 1914
Kptlt Hans Adam[2]
26 Nov 1914 - 17 Dec 1914
Kptlt Egewolf Freiherr von Berckheim[3]
18 Dec 1914 - 12 Jan 1915
Kptlt Hans Schultheß[4]
13 Jan 1915 - 20 Jul 1915
Operations: 3 patrols
Victories: 7 ships sunk (8,822 GRT)

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.

Summary of Raiding Career[edit]

Date Name Nationality Tonnage
(GRT)
Fate[5]
13 May 1915 Invergyle  United Kingdom 1,794 Sunk
15 May 1915 Fingal  United Kingdom 1,562 Sunk
15 May 1915 Martha  Denmark 1,182 Sunk
19 May 1915 Chrysolite  United Kingdom 222 Sunk
19 May 1915 Crimond  United Kingdom 173 Sunk
19 May 1915 Lucerne  United Kingdom 154 Sunk
22 May 1915 Minerva  Norway 3,735 Sunk

References[edit]

  1. ^ "Erwin Weisbach". Uboat.net. Retrieved 16 March 2015. 
  2. ^ "Hans Adam (Pour le Mérite)". Uboat.net. Retrieved 16 March 2015. 
  3. ^ "Egewolf Freiherr von Berckheim (Royal House Order of Hohenzollern)". Uboat.net. Retrieved 16 March 2015. 
  4. ^ "Hans Schultheß". Uboat.net. Retrieved 16 March 2015. 
  5. ^ "SM U-23 successes". UBoat.net. Retrieved 16 March 2015.