SM U 121

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SM U 121
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German EmpireGerman Empire (Reichskriegsflagge)
Construction data
Submarine type: Two-hull deep-sea boat
Large mine submarine (UE II)
War mission L
Series: U 117 - U 121
Builder: AG Vulcan, Hamburg
Build number: 95
Construction contract: May 27, 1916
Launch: September 20, 1918
Technical specifications
Displacement: 1164 tons (above water)
1512 tons (under water)
Length: 81.52 m
Width: 7.42 m
Draft: 4.22 m
Pressure body ø: 4.50 - 4.90 m
Max. Diving depth: 75 m
Dive time: 30 s
Drive: Diesel engines 2400 PS
E-machines 1200 PS
Speed: 14.7 knots (above water)
7.0 knots (under water)
Armament: 4 × 50 cm
bow
torpedo tube 2 × stern mine tube (14 torpedoes, min. 42 mines)
1 × 15.0 cm deck gun
Mission data
Crew (target strength): 4 officers
36 men
Calls: no
Successes: no
Whereabouts: extradited to France on March 9, 1919; sunk on July 1, 1921 as a target ship near Cherbourg

SM U 121 was a diesel-electric mines - Submarine of Class II UE , which for the German Imperial Navy in the First World War was built.

construction

U 121 was commissioned on May 27, 1916, expired on 20 September 1918 at the AG Vulcan in Hamburg from the stack . Due to the armistice , it was completed, but not commissioned.

Whereabouts

U 121 was delivered to France on March 9, 1919 and sunk as a target ship near Cherbourg on July 1, 1921 .

Individual evidence

  1. Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 69
  2. Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 91

literature

  • Bodo Herzog: German U-Boats 1906–1966. Karl Müller, Erlangen, 1993, ISBN 3-86070-036-7 .