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SM UB-72
UB 148 at sea 2.jpeg
UB-148 at sea, a U-boat similar to UB-72.
Career (German Empire)
Name: UB-72
Ordered: 23 September 1916[1]
Builder: AG Vulcan, Hamburg[2]
Cost: 3,337,000 German Papiermark[2]
Yard number: 96[2]
Launched: 30 July 1917[3]
Commissioned: 9 September 1917[3]
Fate: Sunk 12 May 1918 at 50°8′N 2°32′W / 50.133°N 2.533°W / 50.133; -2.533Coordinates: 50°8′N 2°32′W / 50.133°N 2.533°W / 50.133; -2.533 by British submarine.[3]
General characteristics
Class & type: German Type UB III submarine
Type: Coastal submarine
Displacement: 508 t (500 long tons; 560 short tons) ↑
639 t (629 long tons; 704 short tons) ↓[2]
Length: 55.52 m (182.2 ft) o/a[2]
Beam: 5.76 m (18.9 ft)[2]
Draught: 3.7 m (12 ft)[2]
Propulsion: 2 shafts
6-cylinder MAN diesel engines,[4] 1,100 ihp (820 kW)
Siemens-Schuckert[4] electric motors, 788 ihp (588 kW)[2]
Speed: 13.4 knots (24.8 km/h; 15.4 mph) ↑
7.5 knots (13.9 km/h; 8.6 mph) ↓[2]
Range: 8,420 nmi (15,590 km; 9,690 mi) at 6 kn (11 km/h; 6.9 mph) ↑
55 nmi (102 km; 63 mi) at 4 kn (7.4 km/h; 4.6 mph) ↓[2]
Test depth: 50 m (160 ft)[4]
Complement: 3 officers, 31 men[4]
Armament: • 5 × 50 cm (19.7 in) torpedo tubes (4 bow, 1 stern) with 10 torpedoes
• 1 × 8.8 cm (3.46 in) deck gun[4]
Service record
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SM UB-72 was a German Type UB III submarine or U-boat in the German Imperial Navy (German language: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 9 September 1917 as SM UB-72.[nb 1]

UB-72 was serving in the Mediterranean when she was sunk by a torpedo from HMS D4 at 50°8′N 2°41′W / 50.133°N 2.683°W / 50.133; -2.683 on 12 May 1918.[3]

Construction[]

She was built by AG Vulcan of Hamburg[2] and following just under a year of construction, launched at Hamburg on 30 July 1917. UB-72 was commissioned later that same year . Like all Type UB III submarines, UB-72 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-72 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,420 nautical miles (15,590 km).[2] UB-72 had a displacement of 508 t (500 long tons; 560 short tons) while surfaced and 639 t (629 long tons; 704 short tons) when submerged. Her engines enabled her to travel at 13.4 knots (24.8 km/h; 15.4 mph) when surfaced and 7.5 knots (13.9 km/h; 8.6 mph) when submerged.[2]


Notes[]

Footnotes
  1. "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
Citations

References[]

  • Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. III. Koblenz: Bernhard&Graefe. ISBN 3-7637-4802-4. 
  • Bendert, Harald (2000). Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal. Hamburg: Verlag E.S. Mittler & Sohn GmbH. ISBN 3-8132-0713-7. 
  • Rössler, Eberhard (1979). U-Bootbau bis Ende des 1. Weltkrieges, Konstruktionen für das Ausland und die Jahre 1935 - 1945. I. Munich: Bernhard&Graefe. ISBN 3-7637-5213-7. 

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