HMS L23

History
United Kingdom
Name	HMS L23
Builder	Chatham Dockyard
Laid down	29 August 1917
Launched	1 July 1919
Commissioned	5 August 1924
Decommissioned	May 1946
Fate	Sank in tow to breakers May 1946
General characteristics
Class & type	L-class submarine
Displacement	914 long tons (929 t) surfaced; 1,089 long tons (1,106 t) submerged;
Length	238 ft 7 in (72.7 m)
Beam	23 ft 6 in (7.2 m)
Draught	13 ft 3 in (4.0 m)
Installed power	2,400 bhp (1,800 kW) (diesel); 1,600 hp (1,200 kW) (electric);
Propulsion	2 × diesel engines; 2 × electric motors;
Speed	17 kn (31 km/h; 20 mph) surfaced; 10.5 kn (19.4 km/h; 12.1 mph) submerged;
Range	3,800 nmi (7,000 km; 4,400 mi) at 10 kn (19 km/h; 12 mph) on the surface
Test depth	150 feet (45.7 m)
Complement	38
Armament	4 × bow 21 in (533 mm) torpedo tubes; 2 × beam 18 in (457 mm) torpedo tubes; 1 × 4-inch deck gun;

HMS L23 was a L-class submarine built for the Royal Navy during World War I. The boat was not completed before the end of the war and was one of the three L-class boats to serve during World War II. L23 was sold for scrap in 1946, but sank in tow in May 1946.