SM U-85

For other ships of the same name, see German submarine U-85.
Career (German Empire)
Name: U-85
Ordered: 23 June 1915
Builder: Germaniawerft, Kiel
Yard number: Werk 255
Laid down: 29 November 1915
Launched: 22 August 1916
Commissioned: 23 October 1916
Fate: Foundered in North Sea after 7 March 1917, 38 dead (all hands lost).[1]
General characteristics
Class and type:German Type U 81 submarine
Displacement:808 tons surfaced
946 tons submerged
1160 tons (total)
Length:70.06 m (overall)
55.55 m (pressure hull)
Beam:6.30 m (overall)
4.15 m (pressure hull)
Draught:4.02 m
Propulsion:2400 hp surfaced
1200 hp submerged
Speed:16.8 knots surfaced
9.1 knots submerged
Range:11,220 miles at 8 knots surfaced 56 miles at 5 knots submerged
Complement:39 men
Armament:12 torpedoes (4/2 in bow/stern tubes)
105mm deck gun with 140 rounds [2]
Service record
Part of: Imperial German Navy
IV Flotilla
15 Jan 1917 - 12 Mar 1917
Commanders: Kptlt Willy Petz[3]
23 Oct 1916 - 12 Mar 1917
Operations: 2 patrols
Victories: 4 merchant ships sunk (20,225 GRT)
1 merchant ship damaged (7,608 GRT)[1]

SM U-85 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-85 was engaged in the naval warfare and took part in the First Battle of the Atlantic.[4]

Initially U-81 to U-83 had one 10.5 cm gun with 140-240 rounds. U-84 - U-86 on the other hand had two 8.8 cm guns. In 1917 U-84 - U-86 were refitted with a single 10.5 cm gun (240 rounds)[1]

Summary of Raiding Career

Date Name Nationality Tonnage
(GRT)
Fate[5]
26 January 1917 Dicax  Norway 923 Sunk
6 February 1917 Cliftonian  United Kingdom 4,303 Sunk
6 February 1917 Explorer  United Kingdom 7,608 Damaged
7 February 1917 California  United Kingdom 8,669 Sunk
7 February 1917 Vedamore  United Kingdom 6,330 Sunk

References

  1. 1.0 1.1 1.2 Uboat.net U85
  2. Uboat.net type 81
  3. "Willy Petz". Uboat.net. Retrieved 21 January 2015.
  4. "U-85". Retrieved 25 January 2010.
  5. "SM U-85 successes". UBoat.net. Retrieved 21 January 2015.