B1 type submarine
Encyclopedia : B : B1 : B1T : B1 type submarine
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B1 Type Japanese submarine | ||
| Career |
| |
|---|---|---|
| Construction: | 1940-1943, 20 units | |
| Units: | 20 units (I-15, I-17, I-19, I-21, I-23, I-25, I-26, I-27, I-28, I-29, I-30, I-31, I-32, I-33, I-34, I-35, I-36, I-37, I-38, I-39) | |
| General Characteristics | ||
| Displacement: | 2,584 tons / 3,654 tons | |
| Dimensions: | 356.5 ft x 30.5 ft x 16.8 ft | |
| Surface propulsion: | 2 diesels: 12,400 hp | |
| Submerged propulsion: | Electric motors: 2,000 hp | |
| Surface speed: | 23.5 knots | |
| Submerged speed: | 8 knots | |
| Maximum depth: | 100 m (330 ft) | |
| Range: | 14,000 nautical miles at 16 knots | |
| Complement: | 94 officers and men | |
| Armament: | 1 Yokosuka E14Y seaplane 6 x 533 mm forward torpedo tubes 17 Long Lance torpedoes 1 x 140 mm 50 calibre gun | |
B1 Type (I-15 Series) submarines were the most numerous type of submarines of the Imperial Japanese Navy during World War II. In total 20 were made, starting with number I-15, which became the name of the series.
These submarines were fast, had a very long range, and carried a single seaplane, located in a hangar in front of the conning tower, and launched by a catapult. Late in the war, some of the submarines had their aircraft hangar removed, to replace it with a 14cm gun. In 1944, the I-36 and I-47 were modified so that they could carry four, and later six, Kaiten kamikaze manned torpedoes.
The series was rather successful, especially at the beginning of the war.
- I-26, on 31 August 1942, crippled aircraft carrier USS Saratoga with one torpedo hit (out of six launched). On 13 October, she also destroyed the cruiser USS Juneau. She was sunk in action off Leyte in October 1944.
- I-19, on 15 September 1942, fired six torpedoes at aircraft carrier USS Wasp, two of which hit the carrier and destroyed it. The four remaining torpedoes went on for several thousand meters and hit another carrier force, damaging battleship USS North Carolina, and sinking destroyer USS O'Brien. She was apparently sunk by US Navy aircraft attacks on 18 October 1943.
- I-25 conducted the only aerial bombing ever on the continental United States in September 1942. She was sunk by destroyer USS Patterson off the New Hebrides on 3 September 1943.
All B1 type submarines were lost during the conflict, except for I-36, which was scuttled off Goto Island by the US Navy on 1 April 1946.
- I-15 was sunk off San Cristobol on 2 November 1942 by destroyer USS McCalla.
- I-17 shelled an oil field up the beach from Santa Barbara and damaged a pump house in Elwood in February 1942. She was sunk by New Zealand trawler Tui and 2 US Navy aircraft off Noumea on 19 August 1943.
- I-21 was sunk by aircraft from escort carrier USS Chenango on 29 November 1943.
- I-23 was lost in February of 1942.
- I-27 was sunk by HMS Paladin and HMS Petard off Addu Atoll on 12 February 1944.
- I-28 was sunk by submarine USS Tautog south of Truk on 17 May 1944.
- I-29 was sunk by USS Sawfish in Balintang Channel on 26 July, 1944.
- I-30 was the first Japanese submarine to reach Europe under the Yanagi missions, but she was sunk by a mine off Singapore on 13 October 1942.
- I-31 was sunk by destroyers USS Edwards and USS Farragut off Kiska on 12 May 1943.
- I-32 was sunk by destroyer escort USS Manlove and PC 1135 south of Wotje on 24 March 1944.
- I-33 was lost during sea trials in the Inland Sea on 13 June 1944.
- I-34 was sunk by submarine HMS Taurus off Penang on 13 November 1943.
- I-35 was sunk by destroyers USS Meade and USS Frazier off Tarawa on 23 November 1943.
- I-37 was sunk by destroyer escorts USS Conklin and USS McCoy Reynolds off Leyte on 19 November 1944.
- I-38 was sunk by destroyer USS Nicholas near Yap on 12 November 1944.
- I-38 was sunk by destroyer USS Boyd in the Gilberts on 26 November 1943.
| '''Imperial Japanese Navy ''' | ||||||||||||
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