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HMS K1

Coordinates: 56°20′20″N 5°43′50″E / 56.33889°N 5.73056°E / 56.33889; 5.73056
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History
RN Ensign
NameHMS K1
Launched14 November 1916 at Portsmouth
FateSunk to prevent capture following accidental collision, 18 November 1917
General characteristics
Class and typeK-class submarine
Displacementlist error: <br /> list (help)
1,980 long tons (2,010 t) (surfaced)
2,566 long tons (2,607 t) (submerged)
Length339 ft (103 m)
Beam26 ft 6 in (8.08 m)
Draught20 ft 11 in (6.38 m)
Installed powerlist error: <br /> list (help)
21,100 shp (15,700 kW) (steam turbines)
5,760 hp (4,300 kW) (electric motors)
800 hp (600 kW) (diesel generator)
Propulsionlist error: <br /> list (help)
2 × Brown-Curtis or Parsons geared steam turbines
2 × oil-fired Yarrow boilers
4 × electric motors
1 × Vickers diesel generator for charging batteries on the surface
2 × 3-blade 7 ft 6 in (2.29 m)-diameter screws
Speedlist error: <br /> list (help)
24 kn (28 mph; 44 km/h) (surfaced)
8 kn (9.2 mph; 15 km/h) (submerged)
Range
  • Surfaced: 800 nmi (920 mi; 1,500 km) at 24 kn (28 mph; 44 km/h); 12,500 nmi (14,400 mi; 23,200 km) at 10 kn (12 mph; 19 km/h)
  • Submerged: 8 nmi (9.2 mi; 15 km) at 8 kn (9.2 mph; 15 km/h); 40 nmi (46 mi; 74 km) at 4 kn (4.6 mph; 7.4 km/h)
Complement59 (6 officers and 53 ratings)
Armament8 × 18 in (460 mm) torpedo tubes (4 bow, 4 beam; 8 spare torpedoes), 2 × 18 in (460 mm) torpedo tubes originally fitted on deck, but later removed, 2 × 4 in (100 mm) guns, 1 × 3 in (76 mm) gun

HMS K1 was a First World War steam turbine-propelled K-class submarine of the Royal Navy.

She was sunk to prevent her from being captured following a collision with K4 off the Danish coast. She had been patrolling on the surface as part of a flotilla of submarines operating in line ahead. The flotilla was led by the light cruiser Blonde, followed by K1, K3, K4, and K7.

Blonde turned sharply to avoid three cruisers which crossed her bows from starboard to port, which caused confusion amongst the following submarines and in the manoeuvring seawater poured into the boiler room through the funnels and put the boiler fires out (a common problem in K-class submarines). The loss of steam pressure caused the submarine to slow down and although K3 just missed her, K4 struck a blow alongside the conning tower which pierced the hull.

Seawater poured into the control room and reached the batteries under the floor causing chlorine gas to be produced. The damaged submarine signalled to Blonde that she was sinking and the 56 crew of the submarine were transferred to the cruiser using the cruiser's two cutters. It was decided that K1 could not be saved and so she was sunk by gunfire from the cruiser.

56°20′20″N 5°43′50″E / 56.33889°N 5.73056°E / 56.33889; 5.73056