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SMU-67

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Former German Imperial Navy submarine
For other ships with the same name, seeGerman submarine U-67.
History
German Empire
NameU-67
Ordered2 February 1913
BuilderGermaniawerft,Kiel[1]
Yard number204[2]
Laid down2 February 1913, asU-8 (Austria-Hungary)[2]
Launched15 May 1915
Commissioned4 August 1915
Fate20 November 1918 - Surrendered. Broken up at Fareham in 1921.[2]
General characteristics[3]
Class & typeType U 66 submarine
Displacement
  • 791 t (779long tons) surfaced
  • 933 t (918 long tons) submerged
Length
Beam
  • 6.30 m (20 ft 8 in) (o/a)
  • 4.15 m (13 ft 7 in) (pressure hull)
Height7.95 m (26 ft 1 in)
Draft3.79 m (12 ft 5 in)
Propulsion
Speed
  • 16.8knots (31.1 km/h; 19.3 mph) surfaced
  • 10.3 knots (19.1 km/h; 11.9 mph) submerged
Range
  • 7,370 nmi (13,650 km; 8,480 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 115 nmi (213 km; 132 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement4 officers, 32 enlisted men
Armament
Service record
Part of
  • IV Flottille
  • 28 October 1915 – 11 November 1918[2]
Commanders
  • Kptlt. Erich von Rosenberg-Grusczyski[4]
  • 4 August 1915 – 15 March 1916
  • Kptlt. Hans Nieland[5]
  • 16 March 1916 – 14 December 1917
  • Kptlt. Helmuth von Rabenau[6]
  • 15 December 1917 – 15 September 1918
Operations13 patrols
Victories
  • 17 merchant ships sunk
    (39,720 GRT)
  • 3 merchant ships damaged
    (14,766 GRT)
  • 1 auxiliary warship damaged
    (4,282 GRT)[2]

SMU-67 was aType U 66submarine orU-boat for theGerman Imperial Navy (German:Kaiserliche Marine) during theFirst World War. She had beenlaid down in November 1913 asU-8 the second boat of theU-7 class for theAustro-Hungarian Navy (German:Kaiserliche und Königliche (K.u.K.) Kriegsmarine) but was sold to Germany, along with the others in her class, in November 1914.

The submarine was ordered asU-8 fromGermaniawerft ofKiel as the second of five boats of theU-7 class for the Austro-Hungarian Navy. After the outbreak of World War I in August 1914, the Austro-Hungarian Navy became convinced that none of the submarines of the class could be delivered to theAdriatic viaGibraltar. As a consequence, the entire class, includingU-8, was sold to the German Imperial Navy in November 1914. Under German control, the class became known as theU 66 type and the boats were renumbered;U-8 becameU-67, and all were redesigned and reconstructed to German specifications.U-67 waslaunched in May 1915 andcommissioned in August. As completed, she displaced 791 tonnes (779 long tons), surfaced, and 933 tonnes (918 long tons), submerged. The boat was 69.50 metres (228 ft) long and was armed with fivetorpedo tubes and adeck gun.

A part of the IV Flotilla throughout the war,U-67 sank 17 ships with a combinedgross register tonnage (GRT) of 39,720 in thirteen war patrols. She also damaged four other ships of 19,048 GRT. On 20 November 1918, nine days after theArmistice,U-67 was surrendered to the British. She was broken up in 1921 atFareham.

Design and construction

[edit]

After the Austro-Hungarian Navy had competitively evaluated three foreign submarine designs, it selected theGermaniawerft 506d design, also known as the Type UD, for its newU-7 class of five submarines.[7] The Navy ordered five boats on 1 February 1913.[8]

TheU-7 class was seen by the Austro-Hungarian Navy as an improved version of itsU-3 class, which was also a Germaniawerft design.[8][Note 1] As designed for the Austro-Hungarian Navy, the boats were todisplace 695 tonnes (684 long tons) on the surface and 885 tonnes (871 long tons) while submerged. Thedoubled-hulled boats were to be 69.50 metres (228 ft)long overall with abeam of 6.30 metres (20 ft 8 in) and adraft of 3.79 metres (12 ft 5 in). The Austrian specifications called for two shafts with twindiesel engines (2,300metric horsepower (2,269 bhp; 1,692 kW) total) for surface running at up to 17 knots (31 km/h; 20 mph), and twinelectric motors (1,240 PS (1,223 shp; 912 kW) total) for a maximum of 11 knots (20 km/h; 13 mph) when submerged.[8] The boats were designed with five 45 cm (17.7 in)torpedo tubes; four located in the bow, one in the stern. The boats' armament was to also include a single 6.6 centimetres (2.6 in) L/26 deck gun.[8]

U-8 andsister boatU-7 were bothlaid down on 1 November 1913, the first two boats of the class begun.[9] Her construction was slated to be complete within 29 to 33 months.[8]

NeitherU-8 nor any of hersister boats were complete when World War I began in August 1914.[9] With the boats under construction atKiel, the Austrians became convinced that it would be impossible to take delivery of the boats, which would need to be towed into the Mediterranean pastGibraltar, a British territory.[8][Note 2] As a result,U-8 and her four sisters were sold to theImperial German Navy on 28 November 1914.[1][Note 3]

U-8 was renumbered by the Germans asU-67 when her class was redesignated as the Type U 66. The Imperial German Navy had the submarines redesigned and reconstructed to German standards, which increased the surface displacement by 96 tonnes (94 long tons) and the submerged by 48 tonnes (47 long tons). The torpedo load was increased by a third, from 9 to 12, and the deck gun was upgraded from the 6.6 cm (2.6 in) gun originally specified to an8.8 cm (3.5 in) Uk L/30 one.[1]

Service career

[edit]

U-67 waslaunched on 15 May 1915.[1] On 4 August, SMU-67 wascommissioned into theImperial German Navy under the command ofKapitänleutnant Erich von Rosenberg-Grusczyski.[2] On 28 October 1915,U-67 was assigned to theIV.U-Halbflotille in which she remained for the duration of the war.[10]

In March 1916,Kapitänleutnant Hans Nieland replaced von Rosenberg-Grusczyski as the captain ofU-67,[2] and it was under his command thatU-67 was most successful, sinking 17 ships with a combined a total of 39,720 gross register tons (GRT), while damaging a further four of 19,048 GRT.[11]U-67's most successful month was April 1917, when she sank four ships of 15,223 GRT in a span of twelve days.[11][Note 4]

Nieland was succeeded as commander ofU-67 byOberleutnant zur See Helmuth von Rabenau in December 1917. Under his command during the last eleven months of the war,U-67 sank no more ships. During her service career under three commanders,U-67 had completed thirteen war patrols. She was surrendered to the British on 20 November 1918, nine days after theArmistice, and broken up atFareham in 1921.[2]

Ships sunk or damaged

[edit]
Ships sunk or damaged by SMU-67[11]
DateNameNationalityTonnageFate
16 April 1916CardoniaUnited Kingdom2,169Sunk
20 April 1916WhitgiftUnited Kingdom4,397Sunk
22 April 1916ChanaralFrance2,423Sunk
8 December 1916HMSIntaba Royal Navy4,282Damaged
28 January 1917DaisyDenmark1,227Sunk
29 January 1917Punta TenoSpain1,042Sunk
1 February 1917ButronSpain2,434Sunk
2 February 1917ElikonGreece1,166Sunk
5 February 1917LortonPeru1,419Sunk
19 February 1917HeadleyUnited Kingdom4,953Sunk
17 April 1917KishUnited Kingdom4,928Sunk
18 April 1917RhydwenUnited Kingdom4,799Sunk
20 April 1917PortloeUnited Kingdom3,187Sunk
28 April 1917Port JacksonUnited Kingdom2,309Sunk
19 July 1917HarrildsborgDenmark1,547Sunk
24 July 1917VikingSweden873Sunk
28 July 1917RigmorDenmark798Sunk
15 September 1917IdomeneusUnited Kingdom6,692Damaged
21 November 1917BreyntonUnited Kingdom4,240Damaged
22 November 1917RedbridgeUnited Kingdom3,834Damaged
27 November 1917PremierUnited Kingdom49Sunk

Notes

[edit]
  1. ^TheU-3-class submarines, however, were less than half the displacement and nearly 90 feet (27 m) shorter than theU-7 design. See: Gardiner, pp. 342–43.
  2. ^The Austro-Hungarian Navy's Germaniawerft-builtU-3 class boats had been towed fromKiel toPola viaGibraltar in 1909. See: Sieche, p. 19.
  3. ^In April 1915, just five months later, the GermanU-21 successfully entered the Mediterranean through theStraits of Gibraltar, proving that delivery would have been possible after all. See: Gardiner, p. 343.
  4. ^U-67 had also sunk four ships in February 1917 but with a lesser tonnage, 9,972 GRT.

References

[edit]
  1. ^abcdGardiner, p. 177.
  2. ^abcdefghHelgason, Guðmundur."WWI U-boats: U 67".German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved12 January 2015.
  3. ^Gröner 1991, p. 10.
  4. ^Helgason, Guðmundur."WWI U-boat commanders: Erich von Rosenberg-Grusczyski (Royal House Order of Hohenzollern)".German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved12 January 2015.
  5. ^Helgason, Guðmundur."WWI U-boat commanders: Hans Nieland".German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved12 January 2015.
  6. ^Helgason, Guðmundur."WWI U-boat commanders: Helmuth von Rabenau".German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved12 January 2015.
  7. ^Gardiner, p. 340.
  8. ^abcdefGardiner, p. 343.
  9. ^abHelgason, Guðmundur.WWI U-boats: U 66,WWI U-boats: U 67,WWI U-boats: U 68,WWI U-boats: U 69,WWI U-boats: U 70.U-Boat War in World War I. Uboat.net. Retrieved on 9 December 2008.
  10. ^Tarrant, p. 34.
  11. ^abcHelgason, Guðmundur."Ships hit by U 67".German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved9 December 2008.

Bibliography

[edit]
  • Gardiner, Robert; Gray, Randal, eds. (1985).Conway's All the World's Fighting Ships 1906–1921.Annapolis, Maryland:Naval Institute Press.ISBN 978-0-87021-907-8.OCLC 12119866.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991).U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press.ISBN 0-85177-593-4.
  • Sieche, Erwin F. (1980). "Austro-Hungarian Submarines".Warship, Volume 2. Naval Institute Press.ISBN 978-0-87021-976-4.OCLC 233144055.
  • Tarrant, V. E. (1989).The U-Boat Offensive: 1914–1945. Annapolis, Maryland: Naval Institute Press.ISBN 978-0-87021-764-7.OCLC 20338385.
  • Spindler, Arno (1966) [1932].Der Handelskrieg mit U-Booten. 5 Vols. Berlin: Mittler & Sohn. Vols. 4+5, dealing with 1917+18, are very hard to find:Guildhall Library, London, has them all, also Vol. 1-3 in an English translation: The submarine war against commerce.
  • Beesly, Patrick (1982).Room 40: British Naval Intelligence 1914-1918. London: H Hamilton.ISBN 978-0-241-10864-2.
  • Halpern, Paul G. (1995).A Naval History of World War I. New York: Routledge.ISBN 978-1-85728-498-0.
  • Roessler, Eberhard (1997).Die Unterseeboote der Kaiserlichen Marine. Bonn: Bernard & Graefe.ISBN 978-3-7637-5963-7.
  • Schroeder, Joachim (2002).Die U-Boote des Kaisers. Bonn: Bernard & Graefe.ISBN 978-3-7637-6235-4.
  • Koerver, Hans Joachim (2008).Room 40: German Naval Warfare 1914-1918. Vol I., The Fleet in Action. Steinbach: LIS Reinisch.ISBN 978-3-902433-76-3.
  • Koerver, Hans Joachim (2009).Room 40: German Naval Warfare 1914-1918. Vol II., The Fleet in Being. Steinbach: LIS Reinisch.ISBN 978-3-902433-77-0.

External links

[edit]

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