Tier IXBattleship japan

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Iwami B

WoWS World of Warships Japan Battleship · Tier IX

Main Battery: 410 mm/50 10th Year Type Mod.A in a twin turret; 4 turrets × 2 barrels; Range 22.3 km
Secondaries: 100 mm/65 Type 98 on a Model A mount
Secondaries: 155 mm/60 3rd Year Type in a triple turret; Range 6.95 km
Torpedoes: 610 mm Quad; 2 launchers × 4 tubes; Range 20 km

Survivability

Hit Points80,700

#13 of 55

Group avg 73,182

Main Belt Armor356 mm

Deck Armor55 mm

Bow / Stern Armor32 mm

Ship Length255.2 m

Ship Width37.4 m

Main Battery

Main Guns4 × 2

Caliber410 mm

Firing Range22.3 km

#9 of 55

Group avg 20.5 km

Reload Time28.0 s

Rotation Time35.0 s

Max Dispersion245 m

Sigma2.10

Shell Types

HE Shell

Damage6,500

Shell Velocity834 m/s

Fire Chance30%

Penetration68 mm

Air Drag0.34

Flight Time13.37 s

DPM111,429

AP Shell

Damage12,750

Shell Velocity834 m/s

Overmatch Threshold28.7 mm

Ricochet Angle45° / 60°

Normalization6°

Fuse Threshold68 mm

Air Drag0.34

Flight Time13.35 s

DPM218,571

#38 of 55

Group avg 247,647

Torpedoes

Speed62 knots

Range20.0 km

#1 of 12

Group avg 11.5 km

Damage20,567

#3 of 12

Group avg 18,336

Alpha Damage58,700

Splash Damage1,400

Flood Chance355%

Detectability2.50 km

Reload Time150.0 s

#8 of 12

Group avg 120.8 s

180° Rotation7.2 s

Arming Time1 s

Spread Angle4.8° / 16°

Torpedo Caliber610 mm

Tube Module HP1,200

Fuse Depth0.14 m

Secondary Battery

Range7.0 km

Sigma1.00

Max Dispersion259.4 m

Accuracy★★★★☆ Excellent

Total DPM661,000

100 mm/65 Type 98 on a Model A mount(8×2)

Damage1,700

HE Penetration30 mm

Fire Chance6%

Rate of Fire20 rpm

155 mm/60 3rd Year Type in a triple turret(3×3)

Damage2,600

HE Penetration31 mm

Fire Chance10%

Rate of Fire5 rpm

AA Defense

Flak Bursts8

Flak Damage1,470

AA Ranges

2.5 km567 dps

5.8 km406 dps

Maneuverability

Max Speed28.2 knots

#38 of 55

Group avg 29.9 knots

Turning Radius880 m

#21 of 55

Group avg 884 m

Rudder Shift Time14.1 s

Engine Power145,000 hp

Displacement58,962 t

Power-to-Weight2.46 hp/t

Concealment

Max Surface Detection15.89 km

#23 of 55

Group avg 15.74 km

Min Surface Detection12.87 km

Air Detection12.19 km

Submarine Detection12.19 km

Consumables

Slot 1

Damage Control Party

Reload80 s

Duration10 s

Charges∞

Slot 2

Repair Party

Reload80 s

Duration28 s

Charges4

Citadel10%

Non-Citadel50%

Armament

Depth Charge Airstrike

Reload90 s

Charges2

Strike Range0.5–9.0 km

Planes8

Flights2

Bomb Damage4200

Fire Chance24%

Modules

410 mm/50 10th Year Type Mod.A in a twin turret

Type90 mod. 1

Iwami B.

Propulsion: 145,000 hp

Type9 mod. 1

Upgrades

Slot 1

Torpedo Tubes Modification 1

Torpedo tube reload time: -5%

Main Battery Modification 1

Main battery reload time: -3%

Weapon Survivability System

Risk of main battery becoming incapacitated: -50%

Main battery repair time: -25%

Risk of torpedo tubes becoming incapacitated: -50%

Torpedo tubes repair time: -25%

Risk of sonar becoming incapacitated: -50%

Sonar repair time: -25%

Damage Control Party Modification 1

Consumable work time: +8

Slot 2

Engine Room Protection

Risk of steering gears becoming incapacitated: -20%

Steering gears repair time: -20%

Risk of engine becoming incapacitated: -20%

Engine repair time: -20%

Damage Control System Modification 1

Risk of catching fire: -5%

Risk of flooding when a torpedo hits the torpedo protection: -3%

Slot 3

Torpedo Tubes Modification 2

Risk of torpedo tubes becoming incapacitated: -40%

Torpedo tubes traverse speed: +20%

Torpedo speed: +5%

Aiming Systems Modification 1

Maximum main battery shell dispersion: -7%

Maximum secondary battery shell dispersion: -5%

Secondary battery firing range: +5%

Torpedo tubes traverse speed: +20%

Secondary Battery Modification 1

Continuous AA damage in the sector with the longest range: +50

Maximum secondary battery shell dispersion: -20%

Secondary battery firing range: +26%

Main Battery Modification 2

Main battery traverse speed: +15%

Slot 4

Bomb Stabilizer

Airstrike aircraft hit points: +50%

Aircraft group preparation time: -20%

Depth charge damage: +25%

Depth charge reload time: -20%

Steering Gears Modification 1

Rudder shift time: -20%

Propulsion Modification 1

Maximum reverse speed at full power: +140%

Time to reach full engine power when decelerating: -50%

Maximum forward speed at full power: +140%

Time taken to reach full engine power when accelerating: -50%

Damage Control System Modification 2

Fire extinguishing time: -15%

Flooding recovery time: -15%

Slot 5

Ship Consumables Modification 1

Ship consumables preparation and reload time: -5%

Consumable action time: +10%

Concealment System Modification 1

Squadron detectability range: -10%

Dispersion of shells fired by enemies attacking your ship: +5%

Ship's detectability range: -10%

Torpedo & Mine Lookout System

Damage received from torpedoes, mines, and depth charges: -10%

Guaranteed mine detection range: +1000

Assured acquisition range of torpedoes: +2100

Slot 6

Auxiliary Armaments Modification 2

Continuous AA damage in the sector with the longest range: +75

Damage from AA shell bursts: +42.86

Number of Flak Explosions per Salvo: +2

Secondary battery reload time: -20%

Gun Fire Control System Modification 2

Main battery firing range: +16%

Torpedo Tubes Modification 3

Risk of torpedo tubes becoming incapacitated: +50%

Torpedo tube reload time: -15%

Main Battery Modification 3

Main battery traverse speed: -13%

Main battery reload time: -12%

Iwami B

Specifications

Survivability

Main Battery

Torpedoes

Secondary Battery

AA Defense

Maneuverability

Concealment

Consumables

Ballistics

Armor Model

Overview

Modules

Upgrades

Slot 1

Torpedo Tubes Modification 1

Main Battery Modification 1

Weapon Survivability System

Damage Control Party Modification 1

Slot 2

Engine Room Protection

Damage Control System Modification 1

Slot 3

Torpedo Tubes Modification 2

Aiming Systems Modification 1

Secondary Battery Modification 1

Main Battery Modification 2

Slot 4

Bomb Stabilizer

Steering Gears Modification 1

Propulsion Modification 1

Damage Control System Modification 2

Slot 5

Ship Consumables Modification 1

Concealment System Modification 1

Torpedo & Mine Lookout System

Slot 6

Auxiliary Armaments Modification 2

Gun Fire Control System Modification 2

Torpedo Tubes Modification 3

Main Battery Modification 3

Other Tier IX Battleships