SM U-83: Difference between revisions

History
German Empire
Name	U-83
Ordered	23 October 1915
Builder	Germaniawerft, Kiel
Yard number	253
Launched	13 July 1916
Commissioned	6 September 1916
Fate	Sunk by gunfire of Q-Ship Farnborough SW of Ireland at 51°34′N 11°23′W / 51.567°N 11.383°W, 17 February 1917. 35 dead and 1 survivor (all hands lost).
General characteristics
Displacement	808 t (795 long tons) surfaced; 946 t (931 long tons) submerged;
Length	70.06 m (229 ft 10 in) (o/a); 55.55 m (182 ft 3 in) (pressure hull);
Beam	6.30 m (20 ft 8 in) (oa); 4.15 m (13 ft 7 in) (pressure hull);
Height	8.00 m (26 ft 3 in)
Draught	4.02 m (13 ft 2 in)
Installed power	2 × 2,400 PS (1,765 kW; 2,367 shp) surfaced; 2 × 1,200 PS (883 kW; 1,184 shp) submerged;
Propulsion	2 shafts, 2 × 1.70 m (5 ft 7 in) propellers
Speed	16.8 knots (31.1 km/h; 19.3 mph) surfaced; 9.1 knots (16.9 km/h; 10.5 mph) submerged;
Range	11,220 nmi (20,780 km; 12,910 mi) at 8 knots (15 km/h; 9.2 mph) surfaced; 56 nmi (104 km; 64 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged;
Test depth	50 m (164 ft 1 in)
Complement	4 officers, 31 enlisted
Armament	6 × 50 cm (19.7 in) torpedo tubes (four bow, two stern); 12-16 torpedoes; 1 × 10.5 cm (4.1 in) deck gun;
Service record
Part of:	Kaiserliche Marine; IV Flotilla; 31 October 1916 – 17 February 1917;
Commanders:	Kapitänleutnant Bruno Hoppe; 6 September 1916 – 17 February 1917;
Operations:	2
Victories:	5 merchant ships sunk (6,286 GRT)

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Revision as of 00:10, 12 October 2015

SM U-83 was a Type U 81 u-boat of the German Imperial Navy (Template:Lang-de) during the First World War. She had been commissioned and deployed to operate off the coast of the British Isles and attack coastal shipping as part of the German U-boat campaign.^[1]

In a six-month career, U-83 made two combat patrols into the South-Western Approaches during the Atlantic campaign. In these patrols she sank five allied merchant ships for 6,286 gross register tons (GRT). On 17 February 1917, she torpedoed the British Q-ship HMS Farnborough off the Irish coast, but was sunk by Farnborough's hidden armaments when she approached too close. There were just 2 survivors, picked up by Farnborough; 35 of her crew perished. Farnborough was commanded by the submarine hunter Gordon Campbell and had on board later Victoria Cross recipients Ronald Niel Stuart and William Williams.

Design

German Type U 81 submarines were preceded by the shorter Type UE I submarines. U-83 had a displacement of 808 tonnes (795 long tons) when at the surface and 946 tonnes (931 long tons) while submerged.^[2] It had a total length of 229 ft 10 in (70.05 m), a pressure hull length of 182 ft 3 in (55.55 m), a beam of 20 ft 8 in (6.30 m), a height of 26 ft 3 in (8.00 m), and a draught of 13 ft 2 in (4.01 m). The submarine was powered by two 2,400 metric horsepower (1,800 kW; 2,400 shp) engines for use while surfaced, and two 1,200 metric horsepower (880 kW; 1,200 shp) engines for use while submerged. It had two 1.7 m (5.6 ft) propeller shafts. It was capable of operating at depths of up to 50 metres (160 ft).^[2]

The submarine had a maximum surface speed of 16.8 knots (31.1 km/h; 19.3 mph) and a maximum submerged speed of 9.1 knots (16.9 km/h; 10.5 mph).^[2] When submerged, it could operate for 56 nautical miles (104 km; 64 mi) at 5 knots (9.3 km/h; 5.8 mph); when surfaced, it could travel 11,220 nautical miles (20,780 km; 12,910 mi) at 7 knots (13 km/h; 8.1 mph). U-83 was fitted with six 50 centimetres (20 in) torpedo tubes (one at the starboard bow and one starboard stern), twelve to sixteen torpedoes, and one 10.5 centimetres (4.1 in) deck machine gun. It had a complement of thirty-five (thirty-one crew members and four officers).^[2]

Summary of raiding career

Date	Name	Nationality	Tonnage (GRT)	Fate^[4]
17 December 1916	Niord	Sweden	123	Sunk
4 February 1917	Anna Maria	France	141	Sunk
4 February 1917	Coquette	France	167	Sunk
6 February 1917	Crown Point	United Kingdom	5,218	Sunk
7 February 1917	Diaz	Russian Empire	637	Sunk
10 February 1917	Paquerette	France	164	Sunk
17 February 1917	HMS Farnborough	Royal Navy	3,207	Damaged

References

^ ^a ^b Helgason, Guðmundur. "U-83". German and Austrian U-Boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 September 2010.
^ ^a ^b ^c ^d ^e Gröner 1985, pp. 38–39.
^ Helgason, Guðmundur. "Kptlt. Bruno Hoppe". German and Austrian U-Boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 September 2010.
^ Helgason, Guðmundur. "Ships hit by U-83". German and Austrian U-Boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 20 January 2015.

Bibliography

Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher (in German). Vol. III. Koblenz: Bernard & Graefe. ISBN 3-7637-4802-4. {{cite book}}: |work= ignored (help); Invalid |ref=harv (help)

[boat83-1] Helgason, Guðmundur. "U-83". German and Austrian U-Boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 September 2010.

[FOOTNOTEGröner198538–39-2] Gröner 1985, pp. 38–39.

[3] Helgason, Guðmundur. "Kptlt. Bruno Hoppe". German and Austrian U-Boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 September 2010.

[4] Helgason, Guðmundur. "Ships hit by U-83". German and Austrian U-Boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 20 January 2015.

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[2]

[3]

[4]

@@ Line 29: / Line 29: @@
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+|Ship displacement=*{{convert|808|t|LT|abbr=on}} surfaced
+*{{convert|946|t|LT|abbr=on}} submerged
-|Ship length={{convert|70.06|m|ftin|abbr=on}} ([[o/a]])<br />{{convert|55.55|m|ftin|abbr=on}} ([[pressure hull]])
+|Ship length=*{{convert|70.06|m|ftin|abbr=on}} ([[o/a]])
+*{{convert|55.55|m|ftin|abbr=on}} ([[pressure hull]])
-|Ship beam={{convert|6.30|m|ftin|abbr=on}} (oa)<br />{{convert|4.15|m|ftin|abbr=on}} (pressure hull)
+|Ship beam=*{{convert|6.30|m|ftin|abbr=on}} (oa)
+*{{convert|4.15|m|ftin|abbr=on}} (pressure hull)
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+|Ship power=*2 × {{convert|2400|PS|kW shp|abbr=on|lk=on|0}} surfaced
+*2 × {{convert|1200|PS|kW shp|abbr=on|0}} submerged
 |Ship propulsion=2 shafts, 2 × {{convert|1.70|m|ftin|abbr=on}} propellers
-|Ship speed={{convert|16.8|kn|lk=in}} surfaced<br />{{convert|9.1|kn}} submerged
+|Ship speed=*{{convert|16.8|kn|lk=in}} surfaced
+*{{convert|9.1|kn}} submerged
-|Ship range={{convert|11220|nmi|abbr=on|lk=in}} at {{convert|8|kn}} surfaced<br />{{convert|56|nmi|abbr=on}} at {{convert|5|kn}} submerged
+|Ship range=*{{convert|11220|nmi|abbr=on|lk=in}} at {{convert|8|kn}} surfaced
+*{{convert|56|nmi|abbr=on}} at {{convert|5|kn}} submerged
 |Ship test depth={{convert|50|m|ftin|abbr=on}}
 |Ship complement=4 officers, 31 enlisted
+|Ship armament=*6 × {{convert|50|cm|in|1|abbr=on}} [[torpedo tube]]s (four bow, two stern)
-|Ship armament={{plainlist|
-*6 x {{convert|50|cm|in|1|abbr=on}} [[torpedo tube]]s (four bow, two stern)
 *12-16 torpedoes
-*1 x {{convert|10.5|cm|in|1|abbr=on}} deck gun
+*1 × {{convert|10.5|cm|in|1|abbr=on}} deck gun
-}}
 |Ship notes=
 }}
-{{service record
+{{Infobox service record
 |is_ship=yes
-|partof=[[Kaiserliche Marine]]<br />IV Flotilla<br />31 October 1916 – 17 February 1917
+|partof=*[[Kaiserliche Marine]]
+*IV Flotilla
+*31 October 1916 – 17 February 1917
 |codes=
-|commanders=[[Kapitänleutnant]] Bruno Hoppe<ref>{{Cite web
+|commanders=*[[Kapitänleutnant]] Bruno Hoppe<ref>{{Cite web
  |url= http://www.uboat.net/wwi/men/commanders/129.html
  |title=Kptlt. Bruno Hoppe
@@ Line 58: / Line 65: @@
  |website=German and Austrian U-Boats of World War I - Kaiserliche Marine - Uboat.net
  |accessdate=29 September 2010
-}}</ref><br />6 September 1916 – 17 February 1917
+}}</ref>
+*6 September 1916 – 17 February 1917
 |operations=2
 |victories=5 merchant ships sunk ({{GRT|6,286}})

v t e Type U 81 submarines
U-81 U-82 U-83 U-84 U-85 U-86
Preceded by: Type UE I Followed by:Type U 87
List of U-boats of Germany