SM U-121

For other ships of the same name, see German submarine U-121.
History
German Empire
Name: U-121
Builder: AG Vulcan, Hamburg
Cost: 6,177,000 Goldmark
Yard number: 95
Launched: 20 September 1918
In service: 9 March 1919
Fate:
  • Surrendered on 9 March 1919 to France
  • Sunk as target off Cherbourg, 1 July 1921
General characteristics [1]
Class & type: German Type UE II submarine
Type: Coastal minelaying submarine
Displacement:
  • 1,164 t (1,146 long tons) surfaced
  • 1,512 t (1,488 long tons) submerged
Length: 81.52 m (267 ft 5 in) (o/a)
Beam: 7.42 m (24 ft 4 in)
Height: 10.16 m (33 ft 4 in)
Draught: 4.22 m (13 ft 10 in)
Installed power:
Propulsion: 2 shafts, 2 × 1.61 m (5 ft 3 in) propellers
Speed:
  • 14.7 knots (27.2 km/h; 16.9 mph) surfaced
  • 7 knots (13 km/h; 8.1 mph) submerged
Range:
  • 13,900 nmi (25,700 km; 16,000 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 35 nmi (65 km; 40 mi) at 4.5 knots (8.3 km/h; 5.2 mph) submerged
Test depth: 75 m (246 ft)
Complement: 4 officers, 36 enlisted
Armament:
  • 4 × 50 cm (19.7 in) bow torpedo tubes
  • 14 torpedoes
  • 2 × 100 cm (39 in) stern mine chutes
  • 42 mines
  • 1 × 15 cm (5.9 in) deck gun
  • 494 rounds

SM U-121 was a Type UE II long-range minelaying U-boat of the Imperial German Navy intended for service in the Mediterranean. The Austro-Hungarian Navy allocated her the number SM U-84. She was built at Hamburg, Germany, by Aktiengesellschaft Vulcan and launched on 20 September 1918. Completed after the Armistice she was never commissioned in the Imperial German Navy but handed over to France on 9 March 1919. She was sunk as target off Cherbourg on 1 July 1921.

References

Bibliography

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