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HMS E13

The British submarine E13 aground at Saltholm in the Øresund in 1915 after being attacked by German torpedo boats.
E13 aground at Saltholm in the Øresund in 1915 after being attacked by German torpedo boats
History
Name: HMS E13
Builder: HM Dockyard, Chatham
Cost: £101,900
Laid down: 16 December 1912
Launched: 22 September 1914
Commissioned: 9 December 1914
Fate: Ran aground, 18 August 1915, raised, then sold for scrap 14 December 1921
General characteristics
Class and type: E class submarine
Displacement:
  • 662 long tons (673 t) surfaced
  • 807 long tons (820 t) submerged
Length: 181 ft (55 m)
Beam: 15 ft (4.6 m)
Propulsion:
  • 2 × 800 hp (597 kW) diesels
  • 2 × 420 hp (313 kW) electric
  • 2 screws
Speed:
  • 15.25 knots (28.24 km/h; 17.55 mph) surfaced
  • 10.25 knots (18.98 km/h; 11.80 mph) submerged
Range:
  • 3,000 nmi (5,600 km) at 10 kn (19 km/h; 12 mph)
  • 65 nmi (120 km) at 5 kn (9.3 km/h; 5.8 mph)
Complement: 30
Armament:

HMS E13 was a British E class submarine built by HM Dockyard, Chatham. E13 was laid down on 16 December 1912 and was commissioned on 9 December 1914. The hull cost £101,900.

Like all post-E8 British E-class submarines, E13 had a displacement of 662 tonnes (730 short tons) at the surface and 807 tonnes (890 short tons) while submerged. She had a total length of 180 feet (55 m) and a beam length of 22 feet 8.5 inches (6.922 m). She was powered by two 800 horsepower (600 kW) Vickers eight-cylinder two-stroke diesel engines and two 420 horsepower (310 kW) electric motors. The submarine had a maximum surface speed of 16 knots (30 km/h; 18 mph) and a submerged speed of 10 knots (19 km/h; 12 mph). British E-class submarines had fuel capacities of 50 tonnes (55 short tons) of diesel and ranges of 3,255 miles (5,238 km; 2,829 nmi) when travelling at 10 knots (19 km/h; 12 mph).E13 was capable of operating submerged for five hours when travelling at 5 knots (9.3 km/h; 5.8 mph).

As with most of the early E class boats, E13 was not fitted with a deck gun during construction, but one was mounted later. She had five 18 inches (460 mm) torpedo tubes: two in the bow, one either side amidships, and one in the stern; a total of 10 torpedoes were carried.

E-Class submarines had wireless systems with 1 kilowatt (1.3 hp) power ratings; in some submarines, these were later upgraded to 3 kilowatts (4.0 hp) systems by removing a midship torpedo tube. Their maximum design depth was 100 feet (30 m) although in service some reached depths of below 200 feet (61 m). Some submarines contained Fessenden oscillator systems.

Her complement was three officers and 28 men.

HMS E13 had a relatively short career during World War I. On 14 August 1915, she was despatched from Harwich, accompanied by her sister vessel HMS E8. The two submarines had orders to sail to the Baltic Sea to interdict German shipping, particularly vessels carrying iron ore shipments from Sweden. At around 01:00 on 18 August 1915, the submarine ran aground in shallow water near Saltholm island in the Øresund between Malmö and Copenhagen, because of a defective gyrocompass. At dawn she became clearly visible. At 05:00 the Royal Danish Navy torpedo boat Narhvalen appeared on the scene and hailed the E13's commander, Lt Cdr Geoffrey Layton, informing him that he had 24 hours to refloat his vessel and leave before he and his crew would be interned for violating Denmark's neutrality.


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