Recognition Guide Warships of the Second World War
Imperial Japanese Navy — Submarine

Japanese submarine I-8

Junsen-class J3 Type submarine

Japanese submarine I-8
Unknown author — N. Polmar, D. Carpenter. Submarines of the Imperial Japanese Navy 1904—1945. — Conway Maritime Press, 1986 — Public domain — Wikimedia Commons Plate Japanese I-8 submarine entering Kagoshima Bay

Service

  1. Imperial Japanese Navy as I-8? — 31 March 19452,035 days of the war
Junsen-class J3 Type submarine Particulars
Name
I-8
Builder
Kawasaki, Kobe, Japan
Laid down
11 October 1934
Launched
20 July 1936
Fate
Sunk 31 March 1945 (1945)
Status
Wreck

Specifications

Displacement, surfaced
2,525 long tons (2,566 t)
Displacement, submerged
3,583 long tons (3,640 t)
Length
109.27 m (358.5 ft)
Beam
8.84 m (29 ft)
Draught
5.18 m (17 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-8 was a Junsen-class J3 Type submarine built for the Imperial Japanese Navy. Kawasaki, Kobe, Japan laid her keel on 11 October 1934. She was launched on 20 July 1936.

The boat displaced 2,525 long tons surfaced and 3,583 long tons submerged. She measured 109.3 m (358 ft) long with a beam of 8.8 m (29 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 in one twin mountings. She carried one aircraft.

She was in commission for 2,035 days of the Second World War.

She was sunk on 31 March 1945, at 4°53′S 87°20′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
  • 2 diesel engines, 11200 hp (surfaced)
  • Electric motors, 2800 hp (submerged)
Armament
  • 1 × twin 14 cm/40 11th Year Type naval gun
  • 2 × Type 96 25 mm AA guns
  • 6 × 533 mm forward torpedo tubes
  • 21 torpedoes
  • Kaiten fittings (added 1944–1945)
Aircraft
  • 1 × Yokosuka E14Y seaplane (removed 1944)

Sources

  • Facts harvested from Japanese submarine I-8 on Wikipedia. Figures only — no wording is taken from it.
  • Photograph: Unknown author — N. Polmar, D. Carpenter. Submarines of the Imperial Japanese Navy 1904—1945. — Conway Maritime Press, 1986 — Public domain — Wikimedia Commons