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British L-class submarine
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British L-class submarine
The British L-class submarine was originally planned under the emergency war programme as an improved version of the British E-class submarine. The scale of change allowed the L class to become a separate class.
The armament was increased when the 21-inch torpedoes came into service. The Group 3 boats had two QF 4-inch guns fore and aft of the lengthened conning tower. Also, 76 tons of fuel oil was carried in external wing tanks for the first time in British submarines. Several of the Group 1 boats were configured as minelayers including L11 and L12. In the Group 2 boats, L14, L17 and L24 to L27 were built as minelayers carrying 16 mines but without the two beam torpedo tubes.
The introduction of the L class came too late to contribute significantly in World War I. L2 was accidentally depth-charged by three American destroyers in early 1918. L12 torpedoed the German submarine UB-90. L10 torpedoed the German destroyer S33 in October 1918 but was sunk by accompanying destroyers. L24 was sunk with all hands lost in a collision with the battleship Resolution during an exercise off Portland Bill in the English Channel on 10 January 1924.
L55 was sunk in 1919 during the British naval intervention in the Russian civil war by Bolshevik Russian destroyers. She was salvaged by the Russians and who re-commissioned her with the same name.
The L class served throughout the 1920s and the majority were scrapped in the 1930s but three remained operational as training boats during World War II. The last three were scrapped in 1946.
Parts of uncompleted L-class submarines were used for the Yugoslav Hrabri-class submarines.
The L class emerged as an improvement on the earlier E class; the first two members of the L class were originally ordered as lengthened E-class boats, and were initially named E57 and E58. The design returned to the circular pressure hull of the E-class boats, as the irregularly shaped hulls of the G and J classes had proved to be unsuccessful, particularly because the circular hull shape was much better at withstanding the force of underwater explosions.
The L-class boats were divided into three separate sub-classes: the I, II, and III types. The I-type boats were 231 feet 1 inch (70.43 m) long overall and they had a beam of 23 ft 5.5 in (7.150 m) and a draught of 13 ft 3 in (4.04 m) at normal loading. They displaced 891 long tons (905 t) surfaced and 1,074 long tons (1,091 t) submerged. The II-type boats were slightly longer, at 238 ft 7 in (72.72 m) overall, with the same beam and draught. They displaced 914 long tons (929 t) surfaced and 1,089 long tons (1,106 t) submerged. The III-type submarines were 235 ft (72 m) long, with the same beam but a draught of 13 ft 1.5 in (4.001 m). They displaced more than their half-sisters, at 960 long tons (975 t) surfaced and 1,150 long tons (1,168 t) submerged. The three sub-classes had crews of 35, 38, and 44, respectively.
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British L-class submarine
The British L-class submarine was originally planned under the emergency war programme as an improved version of the British E-class submarine. The scale of change allowed the L class to become a separate class.
The armament was increased when the 21-inch torpedoes came into service. The Group 3 boats had two QF 4-inch guns fore and aft of the lengthened conning tower. Also, 76 tons of fuel oil was carried in external wing tanks for the first time in British submarines. Several of the Group 1 boats were configured as minelayers including L11 and L12. In the Group 2 boats, L14, L17 and L24 to L27 were built as minelayers carrying 16 mines but without the two beam torpedo tubes.
The introduction of the L class came too late to contribute significantly in World War I. L2 was accidentally depth-charged by three American destroyers in early 1918. L12 torpedoed the German submarine UB-90. L10 torpedoed the German destroyer S33 in October 1918 but was sunk by accompanying destroyers. L24 was sunk with all hands lost in a collision with the battleship Resolution during an exercise off Portland Bill in the English Channel on 10 January 1924.
L55 was sunk in 1919 during the British naval intervention in the Russian civil war by Bolshevik Russian destroyers. She was salvaged by the Russians and who re-commissioned her with the same name.
The L class served throughout the 1920s and the majority were scrapped in the 1930s but three remained operational as training boats during World War II. The last three were scrapped in 1946.
Parts of uncompleted L-class submarines were used for the Yugoslav Hrabri-class submarines.
The L class emerged as an improvement on the earlier E class; the first two members of the L class were originally ordered as lengthened E-class boats, and were initially named E57 and E58. The design returned to the circular pressure hull of the E-class boats, as the irregularly shaped hulls of the G and J classes had proved to be unsuccessful, particularly because the circular hull shape was much better at withstanding the force of underwater explosions.
The L-class boats were divided into three separate sub-classes: the I, II, and III types. The I-type boats were 231 feet 1 inch (70.43 m) long overall and they had a beam of 23 ft 5.5 in (7.150 m) and a draught of 13 ft 3 in (4.04 m) at normal loading. They displaced 891 long tons (905 t) surfaced and 1,074 long tons (1,091 t) submerged. The II-type boats were slightly longer, at 238 ft 7 in (72.72 m) overall, with the same beam and draught. They displaced 914 long tons (929 t) surfaced and 1,089 long tons (1,106 t) submerged. The III-type submarines were 235 ft (72 m) long, with the same beam but a draught of 13 ft 1.5 in (4.001 m). They displaced more than their half-sisters, at 960 long tons (975 t) surfaced and 1,150 long tons (1,168 t) submerged. The three sub-classes had crews of 35, 38, and 44, respectively.
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