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SM U-93

For other ships with the same name, see German submarine U-93.

SM U-93 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-93 was engaged in the naval warfare and took part in the First Battle of the Atlantic.

History
German Empire
NameU-93
Ordered15 September 1915
BuilderGermaniawerft, Kiel
Yard number257
Laid down12 January 1916
Launched15 December 1916
Commissioned10 February 1917
FateLost to unknown cause off Hardelot, France in January 1918
General characteristics
Class and typeGerman Type U 93 submarine
Displacement
  • 838 t (825 long tons) surfaced
  • 1,000 t (980 long tons) submerged
Length
Beam
  • 6.30 m (20 ft 8 in) (o/a)
  • 4.15 m (13 ft 7 in) (pressure hull)
Height8.25 m (27 ft 1 in)
Draught3.94 m (12 ft 11 in)
Installed power
  • 2 × 2,400 PS (1,765 kW; 2,367 shp) surfaced
  • 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion2 shafts, 2 × 1.66 m (5 ft 5 in) propellers
Speed
  • 16.8 knots (31.1 km/h; 19.3 mph) surfaced
  • 8.6 knots (15.9 km/h; 9.9 mph) submerged
Range
  • 9,020 nmi (16,710 km; 10,380 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 52 nmi (96 km; 60 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth50 m (160 ft)
Complement4 officers, 32 enlisted
Armament
Service record
Part of:
  • IV Flotilla
  • 5 April 1917 – 15 January 1918
Commanders:
Operations: 5 patrols
Victories:
  • 33 merchant ships sunk
    (87,637 GRT)
  • 1 auxiliary warship sunk
    (235 GRT)
  • 2 merchant ships damaged
    (12,429 GRT)
  • 1 warship damaged
    (199 tons)

Contents

German Type U 93 submarines were preceded by the shorter Type U 87 submarines. U-93 had a displacement of 838 tonnes (825 long tons) when at the surface and 1,000 tonnes (980 long tons) while submerged. She had a total length of 71.55 m (234 ft 9 in), a pressure hull length of 56.05 m (183 ft 11 in), a beam of 6.30 m (20 ft 8 in), a height of 8.25 m (27 ft 1 in), and a draught of 3.94 m (12 ft 11 in). 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. She had two propeller shafts. She was capable of operating at depths of up to 50 metres (160 ft).

The submarine had a maximum surface speed of 16.8 knots (31.1 km/h; 19.3 mph) and a maximum submerged speed of 8.6 knots (15.9 km/h; 9.9 mph). When submerged, she could operate for 52 nautical miles (96 km; 60 mi) at 5 knots (9.3 km/h; 5.8 mph); when surfaced, she could travel 9,020 nautical miles (16,710 km; 10,380 mi) at 8 knots (15 km/h; 9.2 mph). U-93 was fitted with six 50 centimetres (20 in) torpedo tubes (four at the bow and two at the stern), twelve to sixteen torpedoes, and one 8.8 cm (3.5 in) SK L/30 deck gun. She had a complement of thirty-six (thirty-two crew members and four officers).

HMS Prize Q-ship attacking U-93

After February 1917 she was commanded by the late author of books (e.g. U boat 202. The war diary of a German submarine, 1919) and experienced submarine commander Edgar von Spiegel von und zu Peckelsheim

On 30 April 1917 about 180 nautical miles (330 km; 210 mi) south of Ireland, in the Atlantic, U-93 attacked HMS Prize, a three-masted topsail schooner (one of the Q ships) commanded by Lieutenant William Edward Sanders (who received a Victoria Cross for the action). HMS Prize was damaged by shellfire. After the 'panic party' had taken to the boats and the ship appeared to be sinking, the U-boat approached to within 80 yards (73 m) of her port quarter, whereupon the White Ensign was hoisted and the Prize opened fire.

Within a few minutes the submarine was on fire and her bows rose in the air, whilst the Prize was further damaged. The U-boat disappeared from sight, and was believed to have been sunk by the crew of the Prize and by several of the German crew (including her captain) who had been blown or jumped into the sea.

Neither of the crippled ships had sunk, with the Prize being towed in flames back to Kinsale, while the U-93 struggled back to the Sylt nine days later after a dramatic escape effort through the British mine and destroyer barrages off Dover.

U 93 after repairs operated in the English channel. She was lost to unknown cause off Hardelot, France in January 1918. The wreck was located by divers in 2003.

Date Name Nationality Tonnage Fate
15 April 1917 Fram Denmark 105 Sunk
18 April 1917 Troldfos Norway 1,459 Sunk
18 April 1917 West Lothian Norway 1,887 Sunk
22 April 1917 Vestelv Norway 1,729 Sunk
28 April 1917 Diana Denmark 207 Damaged
29 April 1917 Comedian United Kingdom 4,889 Sunk
29 April 1917 Ikbal United Kingdom 5,434 Sunk
30 April 1917 Ascaro Italy 3,245 Sunk
30 April 1917 Horsa United Kingdom 2,949 Sunk
30 April 1917 Parthenon Greece 2,934 Sunk
30 April 1917 HMS Prize Royal Navy 199 Damaged
19 June 1917 Louise Norway 645 Sunk
27 June 1917 Baron Ogilvy United Kingdom 4,570 Sunk
4 July 1917 Kodan Denmark 308 Sunk
12 August 1917 Bestum Norway 3,520 Sunk
14 August 1917 Asti Italy 5,300 Sunk
20 August 1917 Elswick Lodge United Kingdom 3,558 Sunk
21 August 1917 Volodia United Kingdom 5,689 Sunk
23 August 1917 Carl F. Cressy United States 898 Sunk
25 August 1917 Heatherside United Kingdom 2,767 Sunk
25 August 1917 Ovar Portugal 1,650 Sunk
26 August 1917 Marmion United Kingdom 4,066 Sunk
26 August 1917 Minas Queen Canada 492 Sunk
29 August 1917 Treloske United Kingdom 3,071 Sunk
18 October 1917 Macao Brazil 3,557 Sunk
27 October 1917 D. N. Luckenbach United States 2,929 Sunk
28 October 1917 USAT Finland United States Army 12,222 Damaged
29 October 1917 La Epoca Uruguay 2,432 Sunk
30 October 1917 Liff Norway 2,521 Sunk
2 January 1918 Veda United Kingdom 25 Sunk
4 January 1918 Goeland I French Navy 235 Sunk
6 January 1918 Kanaris Greece 3,793 Sunk
6 January 1918 Harry Luckenbach United States 2,798 Sunk
6 January 1918 Henri Lecour France 2,488 Sunk
6 January 1918 Dagny Denmark 1,220 Sunk
14 January 1918 Babin Chevaye France 2,174 Sunk
15 January 1918 War Song United Kingdom 2,535 Sunk

Notes

  1. Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations

  1. Innes McCartney (2015). The Maritime Archaeology of a Modern Conflict: Comparing the Archaeology of German Submarine Wrecks to the Historical Text. New York: Routledge. pp. 117–119. ISBN 978-1138814356.
  2. Gröner 1991, pp. 12–14.
  3. Helgason, Guðmundur. "WWI U-boats: U 93". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved14 December 2014.
  4. Helgason, Guðmundur. "Ships hit by U 93". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved14 December 2014.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.

SM U-93
SM U 93 Language Watch Edit For other ships with the same name see German submarine U 93 SM U 93 was one of the 329 submarines serving in the Imperial German Navy in World War I U 93 was engaged in the naval warfare and took part in the First Battle of the Atlantic 3 HistoryGerman EmpireNameU 93Ordered15 September 1915BuilderGermaniawerft KielYard number257Laid down12 January 1916Launched15 December 1916Commissioned10 February 1917FateLost to unknown cause off Hardelot France in January 1918 1 General characteristics 2 Class and typeGerman Type U 93 submarineDisplacement838 t 825 long tons surfaced 1 000 t 980 long tons submergedLength71 55 m 234 ft 9 in o a 56 05 m 183 ft 11 in pressure hull Beam6 30 m 20 ft 8 in o a 4 15 m 13 ft 7 in pressure hull Height8 25 m 27 ft 1 in Draught3 94 m 12 ft 11 in Installed power2 2 400 PS 1 765 kW 2 367 shp surfaced 2 1 200 PS 883 kW 1 184 shp submergedPropulsion2 shafts 2 1 66 m 5 ft 5 in propellersSpeed16 8 knots 31 1 km h 19 3 mph surfaced 8 6 knots 15 9 km h 9 9 mph submergedRange9 020 nmi 16 710 km 10 380 mi at 8 knots 15 km h 9 2 mph surfaced 52 nmi 96 km 60 mi at 5 knots 9 3 km h 5 8 mph submergedTest depth50 m 160 ft Complement4 officers 32 enlistedArmament6 50 cm 19 7 in torpedo tubes four bow two stern 10 12 torpedoes 1 8 8 cm 3 5 in SK L 30 deck gunService record 3 Part of IV Flotilla 5 April 1917 15 January 1918Commanders Kptlt Edgar von Spiegel von und zu Peckelsheim 10 February 30 April 1917 Oblt z S Wilhelm Ziegner 30 April 22 May 1917 Oblt z S Helmut Gerlach 23 May 1917 15 January 1918Operations 5 patrolsVictories 33 merchant ships sunk 87 637 GRT 1 auxiliary warship sunk 235 GRT 2 merchant ships damaged 12 429 GRT 1 warship damaged 199 tons Contents 1 Design 2 Operational history 3 Summary of raiding history 4 References 4 1 Notes 4 2 Citations 5 BibliographyDesign EditGerman Type U 93 submarines were preceded by the shorter Type U 87 submarines U 93 had a displacement of 838 tonnes 825 long tons when at the surface and 1 000 tonnes 980 long tons while submerged 2 She had a total length of 71 55 m 234 ft 9 in a pressure hull length of 56 05 m 183 ft 11 in a beam of 6 30 m 20 ft 8 in a height of 8 25 m 27 ft 1 in and a draught of 3 94 m 12 ft 11 in 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 She had two propeller shafts She 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 8 6 knots 15 9 km h 9 9 mph 2 When submerged she could operate for 52 nautical miles 96 km 60 mi at 5 knots 9 3 km h 5 8 mph when surfaced she could travel 9 020 nautical miles 16 710 km 10 380 mi at 8 knots 15 km h 9 2 mph U 93 was fitted with six 50 centimetres 20 in torpedo tubes four at the bow and two at the stern twelve to sixteen torpedoes and one 8 8 cm 3 5 in SK L 30 deck gun She had a complement of thirty six thirty two crew members and four officers 2 Operational history Edit HMS Prize Q ship attacking U 93 After February 1917 she was commanded by the late author of books e g U boat 202 The war diary of a German submarine 1919 and experienced submarine commander Edgar von Spiegel von und zu Peckelsheim On 30 April 1917 about 180 nautical miles 330 km 210 mi south of Ireland in the Atlantic U 93 attacked HMS Prize a three masted topsail schooner one of the Q ships commanded by Lieutenant William Edward Sanders who received a Victoria Cross for the action HMS Prize was damaged by shellfire After the panic party had taken to the boats and the ship appeared to be sinking the U boat approached to within 80 yards 73 m of her port quarter whereupon the White Ensign was hoisted and the Prize opened fire Within a few minutes the submarine was on fire and her bows rose in the air whilst the Prize was further damaged The U boat disappeared from sight and was believed to have been sunk by the crew of the Prize and by several of the German crew including her captain who had been blown or jumped into the sea Neither of the crippled ships had sunk with the Prize being towed in flames back to Kinsale while the U 93 struggled back to the Sylt nine days later after a dramatic escape effort through the British mine and destroyer barrages off Dover U 93 after repairs operated in the English channel She was lost to unknown cause off Hardelot France in January 1918 The wreck was located by divers in 2003 1 Summary of raiding history EditDate Name Nationality Tonnage Note 1 Fate 4 15 April 1917 Fram Denmark 105 Sunk18 April 1917 Troldfos Norway 1 459 Sunk18 April 1917 West Lothian Norway 1 887 Sunk22 April 1917 Vestelv Norway 1 729 Sunk28 April 1917 Diana Denmark 207 Damaged29 April 1917 Comedian United Kingdom 4 889 Sunk29 April 1917 Ikbal United Kingdom 5 434 Sunk30 April 1917 Ascaro Italy 3 245 Sunk30 April 1917 Horsa United Kingdom 2 949 Sunk30 April 1917 Parthenon Greece 2 934 Sunk30 April 1917 HMS Prize Royal Navy 199 Damaged19 June 1917 Louise Norway 645 Sunk27 June 1917 Baron Ogilvy United Kingdom 4 570 Sunk4 July 1917 Kodan Denmark 308 Sunk12 August 1917 Bestum Norway 3 520 Sunk14 August 1917 Asti Italy 5 300 Sunk20 August 1917 Elswick Lodge United Kingdom 3 558 Sunk21 August 1917 Volodia United Kingdom 5 689 Sunk23 August 1917 Carl F Cressy United States 898 Sunk25 August 1917 Heatherside United Kingdom 2 767 Sunk25 August 1917 Ovar Portugal 1 650 Sunk26 August 1917 Marmion United Kingdom 4 066 Sunk26 August 1917 Minas Queen Canada 492 Sunk29 August 1917 Treloske United Kingdom 3 071 Sunk18 October 1917 Macao Brazil 3 557 Sunk27 October 1917 D N Luckenbach United States 2 929 Sunk28 October 1917 USAT Finland United States Army 12 222 Damaged29 October 1917 La Epoca Uruguay 2 432 Sunk30 October 1917 Liff Norway 2 521 Sunk2 January 1918 Veda United Kingdom 25 Sunk4 January 1918 Goeland I French Navy 235 Sunk6 January 1918 Kanaris Greece 3 793 Sunk6 January 1918 Harry Luckenbach United States 2 798 Sunk6 January 1918 Henri Lecour France 2 488 Sunk6 January 1918 Dagny Denmark 1 220 Sunk14 January 1918 Babin Chevaye France 2 174 Sunk15 January 1918 War Song United Kingdom 2 535 SunkReferences EditNotes Edit Merchant ship tonnages are in gross register tons Military vessels are listed by tons displacement Citations Edit a b Innes McCartney 2015 The Maritime Archaeology of a Modern Conflict Comparing the Archaeology of German Submarine Wrecks to the Historical Text New York Routledge pp 117 119 ISBN 978 1138814356 a b c d e Groner 1991 pp 12 14 a b Helgason Gudmundur WWI U boats U 93 German and Austrian U boats of World War I Kaiserliche Marine Uboat net Retrieved 14 December 2014 Helgason Gudmundur Ships hit by U 93 German and Austrian U boats of World War I Kaiserliche Marine Uboat net Retrieved 14 December 2014 Bibliography EditGroner Erich Jung Dieter Maass Martin 1991 U boats and Mine Warfare Vessels German Warships 1815 1945 2 Translated by Thomas Keith Magowan Rachel London Conway Maritime Press ISBN 0 85177 593 4 Retrieved from https en wikipedia org w index php title SM U 93 amp oldid 1044945233, wikipedia, wiki, book,

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