I-5-Class Submarines (Kaidai Type II)
Improved Fleet Submarines - I-5-Class were improved Kaidai Type II fleet submarines. 3 boats commissioned 1932. Larger and faster than I-1-Class (Kaidai I): 2,300 tons submerged, 18 knots surface. Six 21-inch torpedo tubes, 16 torpedoes carried. 10,000 nm range (trans-Pacific). One 4.7-inch deck gun. All 3 served WWII from Pearl Harbor (December 1941). All 3 lost (100% loss). I-6 sank USS Seawolf SS-197 (October 1944) in friendly fire incident - thought to be American submarine. Refined Kaidai design with incremental improvements. Evolved into larger I-9-Class and specialized types.
Specifications
- Displacement (std)
- 2279 t
- Displacement (full)
- 2300 t
- Length
- 319.9 ft
- Beam
- 30.2 ft
- Crew
- 76
- Ships built
- 3
- Commissioned
- 1932
- Decommissioned
- 1944 (all sunk)
Performance
- Top speed
- 18.8 kn
- Range
- 10000 nm at 10 knots surface
Armament
- Secondary guns
- None
- Torpedoes
- 6× 533mm (21-inch) - 4 bow, 2 stern
Armor & Systems
- Belt
- None
In-Game
- Tier
- T4
- Game power
- 81.91
- Research cost
- 28,832
- Credit cost
- 57,337
Notable
- Improved Kaidai Type II fleet submarines (1932)
- Larger than Type I (2,300 vs 2,135 tons submerged)
- 18 knots surface (faster than I-1-Class)
- 16 torpedoes vs 14 (improved capacity)
- All 3 lost WWII (100% loss)
- I-6 sank USS Seawolf SS-197 (October 1944 - friendly fire)
- Pearl Harbor veterans (all 3 participated)
- Refined fleet submarine design