SM U 85

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SM U 85
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German EmpireGerman Empire (Reichskriegsflagge)
Construction data
Submarine type: Two-hull ocean-
going boat official draft from MS -type
war mission F
Series: U 81 - U 86
Builder: Germania shipyard, Kiel
Build number: 255
Launch: August 22, 1916
Commissioning: October 23, 1916
Technical specifications
Displacement: 808 tons (above water)
946 tons (under water)
Length: 70.06 m
Width: 6.30 m
Draft: 4.02 m
Pressure body ø: 4.15 m
Max. Diving depth: 50 m
Dive time: 45-50 s
Drive: Diesel engines 2400 PS
E-machines 1200 PS
Speed: 16.8 knots (above water)
9.1 knots (under water)
Armament: 4 × 50 cm bow torpedo tube
2 × 50 cm stern
torpedo tube (12-16 torpedoes)
1 or 2 × 8.8 cm deck gun
1 × 10.5 cm deck gun (1917/18)
Mission data
Commander: Willy Petz
Crew (target strength): 4 officers
31 men
Calls: 3
Successes: 5 sunk merchant ships
Whereabouts: At the bottom of the Irish Sea

SM U 85 was a diesel-electric submarine of the German Imperial Navy that was used in the First World War . It was lost on or after March 7, 1917 for unknown reasons.

Calls

Captain Willy Petz

U 85 ran on 22 August 1916, which Germaniawerft in Kiel from the stack and was put into service on 23 October 1916th From January 1917 the boat was assigned to the IV submarine flotilla in Emden and Borkum . The first and only in command was Lieutenant Captain Willy Petz .

U 85 introduced three during World War enterprises in the eastern North Atlantic to the British Isles by. Five merchant ships with a total tonnage of 23,127 gross registered tonnes  (GRT) were sunk. In addition to British ships, these included the cargo ship Dicax under the Norwegian or neutral flag.

The largest ship sunk by U 85 was the British passenger ship California (approx. 8,660 GRT). The California was torpedoed southwest of Ireland on February 7, 1917 . The ship was on a voyage from New York to Glasgow . More than 40 people died in the sinking.

Whereabouts

On March 7, 1917 U 85 ran out on its third patrol into the North Sea. After that his track is lost. All 38 crew members are missing.

For a long time it was assumed that U 85 had been sunk in the English Channel by artillery from the British submarine trap Privet on March 12, 1917 . However, this attack was aimed at the German mining submarine UC 68 , which was not sunk.

Others

U 85 , like its sister boats, was very seaworthy. The series became the model for the submarine class IX and foreign designs.

Individual evidence

  1. www.bbc.com
  2. sueddeutsche.de October 20, 2016
  3. Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 139.
  4. Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 123.
  5. Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 68.
  6. According to uboat.net, U 85 sank four ships with a total of 20,225 GRT.
  7. uboat.net: Ships hit during WWI - Dicax (Engl.)
  8. uboat.net: Ships hit during WWI - California (Engl.)
  9. Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 90.
  10. uboat.net WWI U-boats - U 85
  11. ^ Paul Kemp: The German and Austrian submarine losses in both world wars . Urbes, Graefelfing, 1998, p. 25.
  12. Bodo Herzog: German U-Boats 1906–1966 . Erlangen: Karl Müller Verlag, 1993, p. 50.

literature

Web links