Ship:Izumo

IX

15,900,000

Izumo — Japan Tech Tree Tier IX Battleship.

In 1934, Japan decided to abandon the displacement limits set by the Washington Naval Conference in order to surpass U.S. battleships in combat capability. The Imperial Japanese Navy General Staff issued an order to design a battleship with nine 460 mm guns and a displacement of 69,500 tons. The presented projects had three triple-gun turrets mounted on the bow, housing 410 mm guns. The preferred project had a combined diesel and steam turbine propulsion plant. While the design was never implemented, further development led to the creation of the Yamato-class battleships.

Pros

Powerful and long-ranged heavy guns: Very high AP penetration and shell velocity, though this may lead to overpenetrations
Respectable survivability: Deck armor coverage of 57mm thickness, with a thick armor belt, high HP pool and compact superstructure leading to good HE and AP resistance
Overall, Izumo excels at at-range engagements and crossfires

Cons

Unconventional turret layout: She cannot fire any main battery guns fully astern, and her middle turret does not have a full arc of rotation either – a positioning-dependent ship
Poor mobility: A slow rudder shift time, large turning circle, and below-average speed for her tier
Big target: Presents a larger profile to the enemy than Yamato, alongside the line-typical 16.7km base detectability by sea. Vulnerable to focus fire

Ship Stats

Hull Information

Main Battery

Secondary Battery

Airstrike

AA Defense

Compatible Upgrades

Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6

Consumables

Slot 1: Damage Control Party  (10.0s action, 80.0s cooldown)
Slot 2: Repair Party  (4 charges, 28.0s action, 80.0s cooldown, 382.5 hp/s)
Slot 3: Spotting Aircraft  (4 charges, 100.0s action, 240.0s cooldown) or Patrol Fighter  (3 charges, 60.0s action, 90.0s cooldown)

Gallery

SURVIVABILITY	Izumo (A)	Izumo (B)
• Hit Points	76500	78900
• Torpedo protection damage reduction (%)	28

ARMOR DETAIL
• Belt (mm)	356
• Deck (mm)	57
• Superstructure (mm)	19
• Extremities (mm)	32

MANEUVERABILITY	Izumo (A)	Izumo (B)
• Maximum speed (kt)	28.0	28.0
• Turning circle radius (m)	890	890
• Rudder-shift time (sec)	26.0	19.7

CONCEALMENT	Izumo (A)	Izumo (B)
• Detectability by sea (km)	16.67	16.67
• Detectability by air (km)	10.0	10.0
• Detectability after firing main guns in smoke (km)	16.8
• Detectability by depths (km)	10.0	10.0

MAIN BATTERY	Type9 mod. 1	Type9 mod. 2
• Arrangement	3×3 410mm
• Firing range (km)	19.71	21.68
• Reload time (sec)	30.0
• Rate of fire (shots/min)	2
• 180° turn time (sec)	40.0

DISPERSION
• Dispersion type	IJN BB dispersion
• Dispersion formula	Dispersion (m) = 7.2 × range(km) + 84
• Sigma	2.0
• Maximum dispersion (m)	225
• Dispersion at 5 km	120
• Dispersion at 10 km	156
• Dispersion at 15 km	192
• Dispersion at 19.71 km	226

HE SHELL
• Name	410 mm HE Type0
• Maximum damage	6500
• Fire chance (%)	30.0%
• Shell velocity (m/s)	869
• Shell weight (kg)	938.5
• Penetration (mm)	68

AP SHELL
• Name	410 mm AP/APC Type91
• Maximum damage	12900
• Shell velocity (m/s)	870
• Shell weight (kg)	1020
• Fuse time (sec)	0.033
• Ricochet start (°)	45
• Always ricochet (°)	60
• Normalisation (°)	6
• Arming threshold (mm)	68

SECONDARY ARMAMENT 1
• Shell type	HE
• Name	127 mm HE Type0
• Arrangement	12x2 127mm
• Rate of fire (shots/min)	10.0
• Maximum damage	2100
• Shell velocity (m/s)	725
• Penetration (mm)	21
• Fire chance (%)	8.0%

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