Japanese submarine I-7
J3 type submarine
Service
- as I-731 March 1937 — 20 August 19431,449 days of the war
- Name
- I-7
- Builder
- Kure Naval Arsenal, Kure, Japan
- Ordered
- 1934
- Laid down
- 12 September 1934
- Launched
- 3 July 1935
- Commissioned
- 31 March 1937
- Struck
- 20 August 1943
- Fate
- Wrecked 22 June 1943 (1943)
- Status
- Wreck
Specifications
- Displacement, surfaced
- 2,231 long tons (2,267 t)
- Displacement, submerged
- 3,583 long tons (3,640 t)
- Length
- 109.3 m (358.6 ft)
- Beam
- 9.1 m (29.9 ft)
- Draught
- 5.26 m (17.3 ft)
- Speed
- 23 knots (42.6 km/h, 26.5 mph)
- Range
- 14,000 nmi (25,928 km)
- Complement
- 100
- Main gun
- 140 mm (5.5 in)
I-7 was a J3 type submarine. Her keel was laid at Kure Naval Arsenal, Kure, Japan on 12 September 1934. Launched on 3 July 1935, she entered service on 31 March 1937.
The boat displaced 2,231 long tons surfaced and 3,583 long tons submerged. She measured 109.3 m (359 ft) long with a beam of 9.1 m (30 ft). Her designed speed was 23 knots, and she carried a complement of 100.
Her main battery was two 140 mm (5.5 in) guns. She carried one aircraft.
She was in commission for 1,449 days of the Second World War. She was struck from the register on 20 August 1943.
She was wrecked on 22 June 1943, at 8°40′S 94°30′E.
Written from the harvested record. Every figure above is sourced; the wording is this site's own.
Armament and machinery
Armament and machinery
- Propulsion
- 2 × Kampon Mk.1A Model 10 diesel engines, 11,200 bhp (9,472 kW)
- Two electric motors, 2,800 shp (2,368 kW)
- Two shafts
- Armament
- 6 × 533 mm torpedo tubes (6 bow)
- 20 × Type 89 torpedoes
- 2 × 140 mm/40 cal 11th Year-Type guns
- 2 × 13.2 mm machine guns
- Aircraft
- 1 × Watanabe E9W1
Sources
- Facts harvested from Japanese submarine I-7 on Wikipedia. Figures only — no wording is taken from it.
- Photograph: Unknown author — 写真日本の軍艦第12巻p27 — Public domain — Wikimedia Commons