SM UB-28

For other ships of the same name, see German submarine U-28.
SM UB-45 a u-boat similar to UB-28
Career (German Empire)
Name: UB-28
Ordered: 30 April 1915[1]
Builder: AG Weser, Bremen[1]
Cost: 1,291,000 German Papiermark[2]
Yard number: 242[1]
Launched: 20 December 1915[1]
Commissioned: 27 December 1915[3]
Fate: surrendered 24 November 1918[3]
General characteristics
Class and type:German Type UB II submarine
Displacement:265 t (261 long tons) surfaced[2]
291 t (286 long tons) submerged[2]
Length:36.13 m (118 ft 6 in)[2]
Beam:436 m (1,430 ft 5 in)[2]
Draft:3.66 m (12 ft 0 in)[2]
Propulsion:2 × propeller shafts
2 × Benz diesel engines, 270 shp (200 kW)[2]
2 × Siemens-Schuckert electric motor, 280 shp (210 kW)[2]
Speed:8.9 knots (16.5 km/h) surfaced[2]
5.72 knots (10.59 km/h) submerged[2]
Range:7,200 nautical miles (13,300 km; 8,300 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced[2]
45 nmi (83 km; 52 mi) at 4 knots submerged[2]
Test depth:50 m (160 ft)[2]
Complement:2 officers, 21 men[2]
Armament:2 × 50 cm (19.7 in) torpedo tubes[2]
4 × torpedoes (later 6)
1 × 5 cm SK L/40 gun[2]
Notes:30-second diving time[2]
Service record
Commanders: Oblt Ernst Rosenow[4]
27 Dec 1915 – 13 Jan 1916
Operations: No patrols
Victories: None

SM UB-28 was a German Type UB II submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 30 April 1915 and launched on 20 December 1915. She was commissioned into the German Imperial Navy on 27 December 1915 as SM UB-28.[Note 1]

UB-28 was surrendered to Britain in accordance with the requirements of the Armistice with Germany on 24 November 1918. She was ultimately broken up at Bo'ness in 1919-20.[3]

Notes

  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.

References

  1. ↑ 1.0 1.1 1.2 1.3 Rössler 1979, p. 54.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 Gröner 1985, p. 50.
  3. ↑ 3.0 3.1 3.2 Gröner 1985, p. 51.
  4. ↑ "Ernst Rosenow". Uboat.net. Retrieved 8 March 2015.

Bibliography

  • Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. Die deutschen Kriegsschiffe, 1815-1945 (in German) III (Koblenz: Bernard & Graefe). ISBN 3-7637-4802-4.
  • Bendert, Harald (2000). Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal (in German). 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. Die deutschen U-Boote und ihre Werften (in German) I (Munich: Bernard & Graefe). ISBN 3-7637-5213-7.