Military Wiki
German submarine U-1405
U-1406.jpg
U-1406, a vessel of the same class as U-1405
Career (Nazi Germany)
Name: U-1405
Ordered: 4 January 1943
Builder: Blohm & Voss, Hamburg
Yard number: 255
Laid down: 15 October 1943
Launched: 1 December 1944
Commissioned: 21 December 1944
Fate: Scuttled on 5 May 1945
Status: Raised and broken up
General characteristics [1][2]
Class & type: Type XVIIB submarine
Displacement:
  • 312 t (307 long tons) (surfaced)
  • 337 t (332 long tons) (submerged)
  • 415 t (408 long tons) (total)
Length:
  • 41.45 m (136 ft 0 in) o/a
  • 27.30 m (89 ft 7 in) pressure hull
  • Beam:
  • 4.50 m (14 ft 9 in) o/a
  • 3.30 m (10 ft 10 in) pressure hull
  • Draught: 4.30 m (14 ft 1 in)
    Installed power:
    • 210 PS (210 shp; 150 kW) (surface diesel drive)
    • 77 PS (76 shp; 57 kW) (submerged electric drive)
    • 2,500 PS (2,500 shp; 1,800 kW) (submerged HTP drive)
    Propulsion:
  • 1 × Deutz SAA 8M517 supercharged 8-cylinder diesel engine (surface diesel drive)
  • 1 × AEG Maschine AWT98 electric motor (submerged electric drive)
  • 1 × Walter gas turbines HTP (submerged HTP drive)
  • 1 shaft
  • Speed:
  • 8.8 knots (16.3 km/h; 10.1 mph) (surface diesel drive)
  • 5 knots (9.3 km/h; 5.8 mph) (submerged electric drive)
  • 25 knots (46 km/h; 29 mph) (submerged HTP drive)
  • Range:
  • 3,000 nmi (5,600 km; 3,500 mi) at 8 knots (15 km/h; 9.2 mph) (surface diesel drive)
  • 76 nmi (141 km; 87 mi) at 2 knots (3.7 km/h; 2.3 mph) (submerged electric drive)
  • 123 nmi (228 km; 142 mi) at 25 knots (46 km/h; 29 mph) (submerged HTP drive)
  • Test depth: 150 m (490 ft)
    Capacity:
    • 20.2 t (45,000 lb) (fuel oil)
    • 52 t (115,000 lb) (H
      2
      O
      2
      )
    Complement: 19
    Armament:
    Service record
    Part of:
    Commanders:
    Operations: No Patrols
    Victories: None

    U-1405 was a Type XVIIB U-boat of Nazi Germany's Kriegsmarine during the Second World War. She was one of a small number of U-boats fitted with Hellmuth Walter's high test peroxide propulsion system, which offered a combination of air-independent propulsion and high submerged speeds.[4]

    The U-1405 was laid down on 15 October 1943 at the Blohm & Voss, Hamburg, as yard number 255. She was launched on 1 December 1944 and commissioned under the command of Oberleutnant zur See Wilhelm Rex on 24 April 1944.[4]

    Design[]

    When completed, U-1405 was 41.45 metres (136 ft 0 in) long overall, with a beam of 4.50 metres (14 ft 9 in) and a draught of 4.3 metres (14 ft 1 in). She was assessed at 337 long tons (342 t) submerged. The submarine was powered by one Deutz SAA 8M517 supercharged 8-cylinder diesel engine producing a total of 210–230 metric horsepower (150–170 kW; 210–230 shp) for use while surfaced and one Walter gas turbine producing a total of 2,500 metric horsepower (1,800 kW; 2,500 shp) for use while submerged. She had one shaft and one propeller. The submarine had a maximum surface speed of 8.5 knots (15.7 km/h; 9.8 mph) and a maximum submerged speed of 25 knots (46 km/h; 29 mph) using the HTP drive. When submerged, the U-boat could operate for 123 nautical miles (228 km; 142 mi) at 25 knots (46 km/h; 29 mph) on her HTP system and when surfaced, she could travel 3,000 nautical miles (5,600 km; 3,500 mi) at 8 knots (15 km/h; 9.2 mph).[5]

    The submarine was fitted with two 53.3 cm (21 in) torpedo tubes (All fitted at the bow) and four torpedoes. The boat had a complement of 19 men.[5]

    Service History[]

    U-1405 did not undertake any war patrols and was instead assigned as a training boat at first to the 5th U-boat Flotilla, followed by the 8th U-boat Flotilla.[4]

    The U-1405 was scuttled on 5 May 1945 in Eckernförde Bay during Operation Regenbogen. The wreck was later raised and broken up.[4]

    References[]

    1. Helgason, Guðmundur. "The Walter Boats Type XVIIB Small Coastal Research vessels". http://uboat.net/types/xviib.htm. Retrieved 14 April 2016. 
    2. "German Experimental U-Boats Types III, IV, V, VI, VIII, XI, XII, XIII, XV, XVI, XVII, XVIII, XIX, XX, XXII, VB.60, V.80, U-791 and Deschimag". www.sharkhunters.com. http://www.sharkhunters.com/typeadditional.htm. Retrieved 14 April 2016. 
    3. Helgason, Guðmundur. "Wilhelm Rex". http://uboat.net/men/commanders/999.html. Retrieved 14 April 2016. 
    4. 4.0 4.1 4.2 4.3 Helgason, Guðmundur (1995). "U-1405". http://uboat.net/boats/u1405.htm. Retrieved 13 April 2016. 
    5. 5.0 5.1 Hofmann, Markus (24 October 2010). "XVII_B" (in German). http://ubootarchiv.de/ubootwiki/index.php/XVII_B. Retrieved 14 April 2016. 

    Bibliography[]

    • Busch, Rainer; Röll, Hans-Joachim (1999) (in German). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2. 
    • Gröner, ErichExpression error: Unexpected < operator. (1991). U-boats and Mine Warfare Vessels. 2. London: Conway Maritime Press. ISBN 0-85177-593-4. 

    External links[]


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