Japanese submarine I-24
| History | |
|---|---|
 Empire of Japan
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| Name: | I-24 |
| Builder: | Sasebo Naval Arsenal |
| Laid down: | 5 December 1938 |
| Launched: | 12 November 1939 |
| Commissioned: | 31 October 1941 |
| Struck: | 1 August 1943 |
| Fate: | Sunk, 11 June 1943 |
| General characteristics | |
| Class and type: | Type C1 submarine |
| Displacement: |
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| Length: | 109.3 m (358 ft 7 in) overall |
| Beam: | 9.1 m (29 ft 10 in) |
| Draft: | 5.3 m (17 ft 5 in) |
| Installed power: |
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| Propulsion: |
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| Speed: |
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| Range: |
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| Test depth: | 100 m (330 ft) |
| Crew: | 95 |
| Armament: |
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| Notes: | Fitted to carry 1 × Type A midget submarine |
The Japanese submarine I-24 was one of five Type C cruiser submarines of the C1 sub-class built for the Imperial Japanese Navy (IJN) during the 1930s.
The Type C submarines were derived from the earlier KD6 sub-class of the Kaidai class with a heavier torpedo armament for long-range attacks. They displaced 2,595 tonnes (2,554 long tons) surfaced and 3,618 tonnes (3,561 long tons) submerged. The submarines were 109.3 meters (358 ft 7 in) long, had a beam of 9.1 meters (29 ft 10 in) and a draft of 5.3 meters (17 ft 5 in). They had a diving depth of 100 meters (330 ft).
For surface running, the boats were powered by two 6,200-brake-horsepower (4,623 kW) diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a 1,000-horsepower (746 kW) electric motor. They could reach 23.6 knots (43.7 km/h; 27.2 mph) on the surface and 8 knots (15 km/h; 9.2 mph) underwater. On the surface, the C1s had a range of 14,000 nautical miles (26,000 km; 16,000 mi) at 16 knots (30 km/h; 18 mph); submerged, they had a range of 60 nmi (110 km; 69 mi) at 3 knots (5.6 km/h; 3.5 mph).
The boats were armed with eight internal bow 53.3 cm (21.0 in) torpedo tubes and carried a total of 20 torpedoes. They were also armed with a single 14 cm (5.5 in) deck gun and two single or twin mounts for 25 mm (1 in) Type 96 anti-aircraft guns. They were equipped to carry one Type A midget submarine aft of the conning tower.
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