Japanese submarine Ro-61

Ro-61 was a Japanese Type L submarine of the Imperial Japanese Navy which served during the 1920s and World War II.

History
Empire of Japan
Name: Ro-61
Laid down: 5 June 1922
Launched: 19 May 1923
Commissioned: 9 February 1924
General characteristics
Class and type: Type L4 (Ro-60-class) submarine
Displacement:
  • 988 long tons (1,004 t) (surfaced)
  • 1,301 tons (1,322 t) (submerged)
Length: 78.39 m (257 ft 2 in)
Beam: 7.41 m (24 ft 4 in)
Draft: 3.96 m (13 ft 0 in)
Propulsion: 2 × Vickers diesels, 2 shafts
2,400 bhp (surfaced), 1,600 (submerged)
Speed:
  • 15.7 knots (29.1 km/h) (surfaced)
  • 8.6 knots (15.9 km/h) (submerged)
Range:
  • 5,500 nautical miles (10,200 km) at 10 knots (19 km/h) (surfaced)
  • 80 nautical miles (150 km) at 5.7 knots (10.6 km/h) (submerged)
Test depth: 60 m (200 ft)
Complement: 48
Armament:

History

Ro-61 was laid down on 5 June 1922 at the Kobe Shipyard of Mitsubishi Heavy Industries and launched on 19 May 1923.[1] She was renumbered RO-61 on 1 November 1924.[1] On 9 February 1924, she was completed and attached to the Sasebo Naval District.[1][2]

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References
  1. Hackett, Bob; Kingsepp, Sander (2012). "Sensuikan: IJN Submarine RO-61: Tabular Record of Movement". combinedfleet.com. Retrieved 5 November 2019.
  2. Niehorster, Leo; Alsleben, Al; Yoda, Tadashi; Donahoo, Jeff. "RO-Boats (2nd Class Submarines)". Imperial Japanese Armed Forces.

Bibliography
  • "Rekishi Gunzō"., History of Pacific War Extra, "Perfect guide, The submarines of the Imperial Japanese Forces", Gakken (Japan), March 2005, ISBN 4-05-603890-2
  • The Maru Special, Japanese Naval Vessels No.43 Japanese Submarines III, Ushio Shobō (Japan), September 1980, Book code 68343-44
  • The Maru Special, Japanese Naval Vessels No.132 Japanese Submarines I "Revised edition", Ushio Shobō (Japan), February 1988, Book code 68344-36
  • The Maru Special, Japanese Naval Vessels No.133 Japanese Submarines II "Revised edition", Ushio Shobō (Japan), March 1988, Book code 68344-37
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