HMS L25
| History | |
|---|---|
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| Name: | HMS L25 |
| Builder: | Vickers Limited, Barrow-in-Furness |
| Laid down: | 25 February 1918 |
| Fate: | Sold for scrapping, 1935 |
| General characteristics | |
| Class and type: | L-class submarine |
| Displacement: |
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| 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: |
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| Propulsion: |
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| Speed: |
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| Range: | 3,800 nmi (7,000 km; 4,400 mi) at 10 kn (19 km/h; 12 mph) on the surface |
| Test depth: | 100 feet (30.5 m) |
| Complement: | 38 |
| Armament: |
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HMS L25 was a L-class submarine built for the Royal Navy during World War I. She was one of five boats in the class to be fitted as a minelayer. The boat survived the war and was sold for scrap in 1935.
L9 and its successors were enlarged to accommodate 21-inch (53.3 cm) torpedoes and more fuel. The submarine had a length of 238 feet 7 inches (72.7 m) overall, a beam of 23 feet 6 inches (7.2 m) and a mean draft of 13 feet 3 inches (4.0 m). They displaced 914 long tons (929 t) on the surface and 1,089 long tons (1,106 t) submerged. The L-class submarines had a crew of 38 officers and ratings.
For surface running, the boats were powered by two 12-cylinder Vickers 1,200-brake-horsepower (895 kW) diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a 600-horsepower (447 kW) electric motor. They could reach 17 knots (31 km/h; 20 mph) on the surface and 10.5 knots (19.4 km/h; 12.1 mph) underwater. On the surface, the L class had a range of 3,800 nautical miles (7,000 km; 4,400 mi) at 10 knots (19 km/h; 12 mph).
The boats were armed with four 21-inch torpedo tubes in the bow. They carried four reload torpedoes for the 21-inch tubes for a grand total of eight torpedoes. They were also armed with a 4-inch (102 mm) deck gun.L25 was fitted with 14 vertical mine chutes in her saddle tanks and carried one mine per chute.
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