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German submarine U-2502 facts for kids

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| colspan="2" style="text-align: center; font-size: 90%; line-height: 1.5em;" | Royal Air Force Coastal Command, 1939-1945. C5338.jpg

A German type XXI submarine, U-2502, comes under cannon fire from a De Havilland Mosquito FB Mark VI during an attack on four surfaced U-boats (U-251, U-320, U-2502, U-2335) and an M-class minsweeper escort (M403) in the Kattegat by 22 Mosquitos of the Banff Strike Wing. U-2502 received only slight damage, but a type VIIC submarine (U-251) was sunk, a type XXIII (U-2335) seriously damaged and the minesweeper left burning.


|} The German submarine U-2502was a special type of U-boatcalled a Type XXI submarine. These submarines were built for Nazi Germany's navy, the Kriegsmarine, during World War II. U-2502was built in Hamburg, Germany, at the Blohm & Voss shipyard. Its construction began on 25 April 1944. It was launched into the water on 15 June 1944 and was ready for duty on 19 July 1944. Its first commander was Gert Mannesmann.

Contents

History
Nazi Germany
Name U-2502
Ordered 6 November 1943
Builder Blohm & Voss, Hamburg
Yard number 2502
Laid down 25 April 1944
Launched 15 June 1944
Commissioned 19 July 1944
Fate
  • Surrendered on 9 May 1945 at Horten Naval Base, Norway
  • Sunk on 2 January 1946 during Operation Deadlight
General characteristics
Class and type Type XXI submarine
Displacement
  • 1,621 t (1,595 long tons) surfaced
  • 2,100 t (2,067 long tons) submerged
Length 76.70 m (251 ft 8 in) (o/a)
Beam 8 m (26 ft 3 in)
Height 11.30 m (37 ft 1 in)
Draught 6.32 m (20 ft 9 in)
Propulsion
Speed
  • Surfaced:
  • 15.6 knots (28.9 km/h; 18.0 mph) (diesel)
  • 17.9 knots (33.2 km/h; 20.6 mph) (electric)
  • Submerged:
  • 17.2 knots (31.9 km/h; 19.8 mph) (electric)
  • 6.1 knots (11.3 km/h; 7.0 mph) (silent running motors)
Range
  • 15,500 nmi (28,700 km; 17,800 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 340 nmi (630 km; 390 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth 240 m (790 ft)
Complement 5 officers, 52 enlisted
Sensors and
processing systems
  • Type F432 D2 Radar Transmitter
  • FuMB Ant 3 Bali Radar Detector
Armament
  • 6 × bow torpedo tubes
  • 23 × 53.3 cm (21 in) torpedoes (or 17 × torpedoes and 12 × mines)
  • 4 × 2 cm (0.79 in) C/30 AA guns
Service record
Part of:
  • 31st U-boat Flotilla
  • 19 July 1944 – 1 March 1945
  • 11th U-boat Flotilla
  • 1 March – 8 May 1945
Commanders:
  • Kptlt. Gert Mannesmann
  • 19 July 1944 – 8 April 1945
  • Kptlt. Hans Hornkohl
  • 9 – 12 April 1945
  • Kptlt. Heinz Franke
  • 12 April – 9 May 1945
Operations: None
Victories: None

About the U-2502 Design

U-2502 was a large submarine. When it was on the surface, it weighed about 1,621 tons. When it was fully underwater, it weighed around 1,819 tons.

Size and Dimensions

This submarine was quite long, measuring about 76.7 meters (251 feet) from end to end. It was 8 meters (26 feet) wide and stood about 6.32 meters (20 feet) high.

How it Moved

U-2502 used both diesel engines and electric motors to move. It had powerful diesel engines for traveling on the surface and electric motors for moving silently underwater. It could travel at different speeds:

  • On the surface, it could go up to 15.6 knots (about 28.9 km/h or 17.9 mph) using its diesel engines.
  • Underwater, it could reach 17.2 knots (about 31.9 km/h or 19.8 mph) with its main electric motors.
  • For very quiet movement, it had special silent running motors that allowed it to travel at 6.1 knots (about 11.3 km/h or 7 mph).

It could travel a long distance without needing to refuel. On the surface, it could go about 15,500 nautical miles (28,700 km) at a speed of 10 knots. Underwater, it could travel about 340 nautical miles (630 km) at 5 knots.

Weapons and Crew

U-2502 was armed with six torpedo tubes at the front. It could carry 23 torpedoes. Sometimes, it would carry fewer torpedoes (17) and also carry 12 naval mines. For defense against airplanes, it had four 2 cm anti-aircraft guns.

The submarine needed a crew of 57 people to operate it. This included 5 officers and 52 other crew members.

The End of U-2502

U-2502 never went on any combat patrols during the war. It surrendered on 9 May 1945 at the Horten Naval Base in Norway, as World War II was ending.

After its surrender, the submarine was moved to Oslo, Norway, and then to Scapa Flow in Scotland. Finally, on 1 January 1946, it was taken to Moville, near Lisahally. The very next day, on 2 January 1946, U-2502 was sunk as part of Operation Deadlight. This was an operation where many captured German U-boats were sunk by the Allied forces.

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