Japanese submarine Ro-117
- 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. 40831 January 1944 — 10 August 1944195 days of the war
- Name
- Ro-117
- Builder
- Kawasaki, Kobe, Japan
- Laid down
- 16 January 1943
- Launched
- 13 September 1943
- Commissioned
- 31 January 1944
- Struck
- 10 August 1944
- Fate
- Sunk 17 June 1944 (1944)
- 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-117 was a Ro-100-class submarine of the Imperial Japanese Navy. Kawasaki, Kobe, Japan laid her keel on 16 January 1943. Launched on 13 September 1943, she entered service on 31 January 1944.
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 195 days of the Second World War. She was struck from the register on 10 August 1944.
She was sunk on 17 June 1944, at 11°05′N 150°31′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-100
- 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
Sources
- Facts harvested from Japanese submarine Ro-117 on Wikipedia. Figures only — no wording is taken from it.