Japanese submarine Ro-55 (1921)
| History | |
|---|---|
| Japan | |
| Name | Submarine No. 29 |
| Builder | Mitsubishi, Kobe, Japan |
| Laid down | 30 March 1920 |
| Launched | 10 February 1921 |
| Completed | 15 November 1921 |
| Commissioned | 15 November 1921 |
| Renamed | Ro-55 on 1 November 1924 |
| Decommissioned | 1 April 1926 |
| Recommissioned | 1 August 1926 |
| Decommissioned | 15 December 1938 |
| Stricken | 1 April 1940 |
| General characteristics | |
| Class & type | Japanese Type L submarine (L2 subclass) |
| Displacement |
|
| Length | 70.59 m (231 ft 7 in) overall |
| Beam | 7.16 m (23 ft 6 in) |
| Draft | 3.94 m (12 ft 11 in) |
| Installed power |
|
| Propulsion |
|
| Speed |
|
| Range |
|
| Test depth | 60 m (197 ft) |
| Crew | 45 |
| Armament |
|
The first Ro-55, originally named Submarine No. 29, was an Imperial Japanese Navy Type L submarine of the L2 subclass. Except for a few months in 1926, she was in commission from 1921 to 1938.