Ha-3-class submarine
The Ha-3-class submarine (波三型潜水艦, Ha-san-gata sensuikan) was an early class of submarines of the Imperial Japanese Navy.
|  Japanese submarine Ha-3, in August 1911 | |
| Class overview | |
|---|---|
| Name | Ha-3 class | 
| Builders | Vickers, Barrow-in-Furness, UK | 
| Operators |  Imperial Japanese Navy | 
| Preceded by | Ha-1 class | 
| Succeeded by | Ha-7 class | 
| In commission | 1911–1929 | 
| Completed | 3 | 
| Retired | 3 | 
| General characteristics | |
| Type | Submarine | 
| Displacement | 
 | 
| Length | 43.3 m (142 ft 1 in) | 
| Beam | 4.14 m (13 ft 7 in) | 
| Draft | 3.43 m (11 ft 3 in) | 
| Installed power | 
 | 
| Propulsion | 
 | 
| Speed | 
 | 
| Range | 
 | 
| Test depth | 30.5 m (100 ft) | 
| Complement | 26 officers and enlisted | 
| Armament | 
 | 
Background
    
Along with placing orders with Vickers at Barrow-in-Furness in the UK for two British C-class submarines, which were commissioned into the Imperial Japanese Navy as the Ha-1 class, the Japanese government ordered another three vessels, which were received as knock-down kits. These kits were assembled at the Kure Naval Arsenal.[1]
Design
    
Physically almost identical to the Ha-1 class, the three vessels assembled in Japan incorporated a number of improvements, including extended bow for improved seaworthiness, improved rudder for surface handling, and an increase in the size of the bridge and conning tower.
Ships in class
    
- Japanese submarine Ha-3 (波号第三潜水艦, Ha-go Dai-san sensuikan), laid down 1 August 1910; launched 5 March 1911; commissioned 12 August 1911 as Submersible No.10; reclassified as 2nd class submersible on 4 August 1916, reclassified as 3rd class submarine on 1 April 1919; renamed Ha-3 on 15 June 1923, decommissioned on 1 December 1929.[2]
- Japanese submarine Ha-4 (波号第四潜水艦, Ha-go Dai-yon sensuikan), laid down 1 August 1910; launched 13 March 1911; commissioned 26 August 1911 as Submersible No.11; reclassified as 2nd class submersible on 4 August 1916, reclassified as 3rd class submarine on 1 April 1919; renamed Ha-4 on 15 June 1923; decommissioned on 1 December 1929.[2]
- Japanese submarine Ha-5 (波号第五潜水艦, Ha-go Dai-go sensuikan), laid down 1 August 1910; launched 27 March 1911; commissioned 3 August 1911 as Submersible No.12; reclassified as 2nd class submersible on 4 August 1916, reclassified as 3rd class submarine on 1 April 1919; renamed Ha-5 on 15 June 1923; decommissioned on 1 December 1929.[2]
Notes
    
- Chesneau, Roger (1985). Conway's All the World's Fighting Ships, 1906–1921. Naval Institute Press. p. 246. ISBN 0-87021-907-3.
- Nishida, Materials of the Imperial Japanese Navy
References
    
- Chesneau, Roger (1985). Conway's All the World's Fighting Ships, 1906–1921. Naval Institute Press. ISBN 0-87021-907-3.
- Howarth, Stephen (1983). The Fighting Ships of the Rising Sun: The Drama of the Imperial Japanese Navy, 1895-1945. Atheneum. ISBN 0-689-11402-8.
- Jentsura, Hansgeorg (1976). Warships of the Imperial Japanese Navy, 1869-1945. Annapolis, MD: Naval Institute Press. ISBN 0-87021-893-X.
- Schencking, J. Charles (2005). Making Waves: Politics, Propaganda, And The Emergence Of The Imperial Japanese Navy, 1868-1922. Stanford University Press. ISBN 0-8047-4977-9.
External links
    
- Nishida, Hiroshi. "Materials of IJN". Imperial Japanese Navy.
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