Japanese submarine Ro-100
- Displacement
- 601 long tons (611 t)
- Length
- 60.9 m (199.8 ft)
- Beam
- 6 m (19.7 ft)
- Speed
- 14.2 knots (26.3 km/h, 16.3 mph)
- Main gun
- 76 mm (3 in)
Service
- as Submarine No. 21023 September 1942 — 5 February 1944500 days of the war
- Name
- Ro-100
- Builder
- Kure Naval Arsenal, Kure, Japan
- Laid down
- 30 June 1941
- Launched
- 6 December 1941
- Commissioned
- 23 September 1942
- Struck
- 5 February 1944
- Fate
- Sunk 25 November 1943 (1943)
- Status
- Wreck
Specifications
- Displacement, surfaced
- 601 long tons (611 t)
- Displacement, submerged
- 782 long tons (795 t)
- Length
- 60.9 m (199.8 ft) OA
- Beam
- 6 m (19.7 ft)
- Draught
- 3.51 m (11.5 ft)
- Speed
- 14.2 knots (26.3 km/h, 16.3 mph)
- Range
- 3,500 nmi (6,482 km)
- Main gun
- 76 mm (3 in)
Ro-100 was a Ro-100-class submarine built for the Imperial Japanese Navy. Her keel was laid at Kure Naval Arsenal, Kure, Japan on 30 June 1941. Launched on 6 December 1941, she entered service on 23 September 1942.
She was one of 18 ships of her class.
The boat displaced 601 long tons surfaced and 782 long tons submerged. She measured 60.9 m (200 ft) long with a beam of 6 m (20 ft). Her designed speed was 14.2 knots. Her main battery was of 76 mm (3.0 in) calibre.
Her machinery developed 1,000 bhp.
She was in commission for 500 days of the Second World War. She was struck from the register on 5 February 1944.
She was sunk on 25 November 1943, at 6°50′S 155°58′E. The wreck survives.
Written from the harvested record. Every figure above is sourced; the wording is this site's own.
Armament and machinery
Armament and machinery
- Propulsion
- Diesel-electric
- 1 × diesel engine
- 1 × electric motor
- Power
- 1000 bhp (diesel)
- 760 hp (electric motor)
- Armament
- 4 × bow 533 mm torpedo tubes
- 2 × 25 mm Type 96 anti-aircraft guns or 1 × 76.2 mm L/40 AA gun
Sister ships
- Japanese submarine Ro-101
- Japanese submarine Ro-102
- Japanese submarine Ro-103
- Japanese submarine Ro-104
- Japanese submarine Ro-105
- Japanese submarine Ro-106
- Japanese submarine Ro-107
- Japanese submarine Ro-108
- Japanese submarine Ro-109
- Japanese submarine Ro-110
- Japanese submarine Ro-111
- Japanese submarine Ro-112
- Japanese submarine Ro-113
- Japanese submarine Ro-114
- Japanese submarine Ro-115
- Japanese submarine Ro-116
- Japanese submarine Ro-117
Sources
- Facts harvested from Japanese submarine Ro-100 on Wikipedia. Figures only — no wording is taken from it.