German submarine U-45 (1938)

U-45 conducting speed trials in 1938. Note her number on the conning tower, it was removed at the beginning of the war
History
Nazi Germany
NameU-45
Ordered21 November 1936
BuilderGermaniawerft, Kiel
Yard number580
Laid down23 February 1937
Launched27 April 1938
Commissioned25 June 1938
FateSunk, 14 October 1939, southwest of Ireland. 38 dead, no survivors.
General characteristics
Class and typeType VIIB U-boat
Displacement
  • 753 t (741 long tons) surfaced
  • 857 t (843 long tons) submerged
Length
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Height9.50 m (31 ft 2 in)
Draught4.74 m (15 ft 7 in)
Installed power
  • 2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels)
  • 750 PS (550 kW; 740 shp) (electric)
Propulsion
Speed
  • 17.9 knots (33.2 km/h; 20.6 mph) surfaced
  • 8 knots (15 km/h; 9.2 mph) submerged
Range
  • 8,700 nmi (16,112 km; 10,012 mi) at 10 knots (19 km/h; 12 mph)surfaced
  • 90 nmi (170 km; 100 mi) at 4 knots (7.4 km/h; 4.6 mph)
Test depth230 m (750 ft). Calculated crush depth: 250–295 m (820–968 ft)
Complement4 officers, 40 to 56 enlisted
Sensors and
processing systems
Gruppenhorchgerät
Armament
Service record
Part of:
Identification codes: M 08 204
Commanders:
  • Kptlt. Alexander Gelhaar
  • 25 June 1938 – 14 October 1939
Operations:
  • 2 patrols:
  • 1st patrol:
  • 19 August – 15 September 1939
  • 2nd patrol:
  • 9 – 14 October 1939
Victories: 2 merchant ships sunk
(19,313 GRT)

German submarine U-45 was a Type VIIB U-boat of Nazi Germany's Kriegsmarine during World War II. She was ordered on 21 November 1936 and laid down on 23 February 1937 at Germaniawerft in Kiel as yard number 580. She was launched on 27 April 1938 and commissioned on 25 June 1938 under the command of Kapitänleutnant (Kptlt.) Alexander Gelhaar.