SM UB-120
UB-148 at sea, a U-boat similar to UB-120. | |
Career (German Empire) | |
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Name: | UB-120 |
Ordered: | 6/8 February 1917[1] |
Builder: | AG Weser, Bremen[2] |
Cost: | 3,654,000 German Papiermark[2] |
Yard number: | 293[2] |
Launched: | 23 February 1918[3] |
Commissioned: | 23 March 1918[3] |
Fate: | Surrendered 24 November 1918.[3] |
General characteristics | |
Class & type: | German Type UB III submarine |
Type: | Coastal submarine |
Displacement: |
512 t (504 long tons; 564 short tons) surfaced 643 t (633 long tons; 709 short tons) submerged[2] |
Length: | 55.85 m (183.2 ft) o/a[2] |
Beam: | 5.8 m (19 ft)[2] |
Draught: | 3.72 m (12.2 ft)[2] |
Propulsion: |
2 shafts 6-cylinder Daimler diesel engines,[4] 1,060 ihp (790 kW) Brown, Boveri & Cie[4] electric motors, 788 ihp (588 kW)[2] |
Speed: |
13.9 knots (25.7 km/h; 16.0 mph) surfaced 7.6 knots (14.1 km/h; 8.7 mph) submerged[2] |
Range: |
7,280 nmi (13,480 km; 8,380 mi) at 6 kn (11 km/h; 6.9 mph) surfaced 55 nmi (102 km; 63 mi) at 4 kn (7.4 km/h; 4.6 mph) submerged[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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Part of: |
German Imperial Navy[2] |
Commanders: |
|
SM UB-120 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 23 March 1918 as SM UB-120.[nb 1]
UB-120 was surrendered to the British on 24 November 1918 in accordance with the requirements of the Armistice with Germany. She was broken up in Swansea in 1922[3]
Construction
She was built by AG Weser of Bremen[2] and following just under a year of construction, launched at Bremen on 23 February 1918. UB-120 was commissioned later the same year . Like all Type UB III submarines, UB-120 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-120 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,280 nautical miles (13,480 km).[2] UB-120 had a displacement of 512 t (504 long tons; 564 short tons) while surfaced and 643 t (633 long tons; 709 short tons) when submerged. Her engines enabled her to travel at 13.9 knots (25.7 km/h; 16.0 mph) when surfaced and 7.6 knots (14.1 km/h; 8.7 mph) when submerged.[2]
Notes
- Footnotes
- ↑ "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". Die deutschen Kriegsschiffe, 1815-1945 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". Die deutschen U-Boote und ihre Werften I (Munich: Bernhard&Graefe). ISBN 3-7637-5213-7.