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Type 2 Depth Charge Kai Ni

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No.488 二式爆雷改二
DepthCharge.png Depth Charge
Effects: Armor+1 ASW+8 Accuracy+1 Evasion+1
Scrap value: Fuel 1 Ammo 4 Bauxite 1 (Unbuildable)

Equipment Card Type 2 Depth Charge Kai Ni.png

Equipment Character Type 2 Depth Charge Kai Ni.png

Equipment Item Type 2 Depth Charge Kai Ni.png

Equipment Full Type 2 Depth Charge Kai Ni.png

Refittable Class
Coastal Defense Ship Destroyer
Light Cruiser Torpedo Cruiser
Heavy Cruiser Training Cruiser
Aviation Cruiser Fast Battleship
Battleship Aviation Battleship
Light Carrier Standard Aircraft Carrier
Armored Carrier Seaplane Tender
Submarine Aircraft Carrying Submarine
Submarine Tender Fleet Oiler
Repair Ship Amphibious Assault Ship

Introduction

対潜水艦に使用する増加爆雷装備です。装填爆薬の改良、爆発 深度調整幅の拡大、誘爆対策など、爆雷は戦訓を踏まえ、実用 的に大きく改良されています。
駆逐艦や海防艦などに爆雷投射機やソナー類などの対潜装備と ともに装備することで、対潜能力の向上が図れます。
一部改装駆逐艦で、さらに高い運用性を発揮します。

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Mechanics

Depth Charges are one of the main equipment used for ASW, being required to trigger an OASW, and greatly enhancing ASW Damage Synergy. Their main stat is "ASW" Anti-Submarine Warfare.

ASW Damage Synergy
Small SONARSmall Small Sonars
Equipment Card Type 93 Passive Sonar.png
Type 93 Passive Sonar
Equipment Card Type 4 Passive Sonar.png
Type 4 Passive Sonar
Equipment Card Type 3 Active Sonar.png
Type 3 Active Sonar
Equipment Card Type 3 Active Sonar Kai.png
Type 3 Active Sonar Kai
Equipment Card Type124 ASDIC.png
Type124 ASDIC
Equipment Card Type144 147 ASDIC.png
Type144/147 ASDIC
Equipment Card HF DF + Type144 147 ASDIC.png
HF/DF + Type144/147 ASDIC
Large SONARLarge Large Sonars
Equipment Card Type 0 Passive Sonar.png
Type 0 Passive Sonar
Depth Charge ProjectorDCP Depth Charge Projectors (DCP)
Equipment Card Type 94 Depth Charge Projector.png
Type 94 Depth Charge Projector
Equipment Card Type 3 Depth Charge Projector.png
Type 3 Depth Charge Projector
Equipment Card Type 3 Depth Charge Projector (Concentrated Deployment).png
Type 3 Depth Charge Projector (Concentrated Deployment)
Equipment Card Prototype 15cm 9-tube ASW Rocket Launcher.png
Prototype 15cm 9-tube ASW Rocket Launcher
Equipment Card RUR-4A Weapon Alpha Kai.png
RUR-4A Weapon Alpha Kai
AP
Equipment Card Mk.32 ASW Torpedo (Mk.2 Thrower).png
Mk.32 ASW Torpedo (Mk.2 Thrower)
AP
Depth Charge RacksDCR Depth Charge (Racks) (DCR)
Equipment Card Type 95 Depth Charge.png
Type 95 Depth Charge
AP
Equipment Card Type 2 Depth Charge.png
Type 2 Depth Charge
AP
Equipment Card Lightweight ASW Torpedo (Initial Test Model).png
Lightweight ASW Torpedo (Initial Test Model)
AP
Equipment Card Hedgehog (Initial Model).png
Hedgehog (Initial Model)
AP
Equipment Card Type 2 Depth Charge Kai Ni.png
Type 2 Depth Charge Kai Ni
AP
ASW MortarOther ASW Mortars
Equipment Card Type 2 12cm Mortar Kai.png
Type 2 12cm Mortar Kai
Equipment Card Type 2 12cm Mortar Kai (Concentrated Deployment).png
Type 2 12cm Mortar Kai (Concentrated Deployment)
ASW Damage Modifiers: [math]\displaystyle{ \text{Mod}_\text{synergy} }[/math]
SONAR + Depth Charges 1.15x
Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.1x
Large SONARLarge + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.265xLarge SONARLarge + Depth Charges = 1.15x
Depth Charge ProjectorDCP + Depth Charge RacksDCR = 1.1x

1.15 * 1.1(1 + 0.1) = 1.265x
Small SONARSmall + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.4375xSmall SONARSmall + Depth Charge ProjectorDCP / ASW MortarOther = 1.15x
Small SONARSmall + Depth Charge RacksDCR = 1.15x
Depth Charge ProjectorDCP + Depth Charge RacksDCR = 1.1x

1.15 * 1.25(1 + 0.1 + 0.15) = 1.4375
Armor Penetration
Indepentant of synergies, some equipment provides additional armor penetration to ASW attacks.

The flat armor penetration value is calculated as follows:

  • [math]\displaystyle{ \text{Pen} = \sum\limits_{\text{Equipment}} \Big( \sqrt{\text{ASW}_\text{Equipment} - 2} + \text{Mod}_\text{ship} \Big) }[/math]
  • With:
    • [math]\displaystyle{ \text{ASW}_\text{Equipment} }[/math] the base ASW Anti-Submarine Warfare stat of the applicable equipment,
    • [math]\displaystyle{ \text{Mod}_\text{ship} }[/math] being 1 for DE, 0 otherwise,
  • Armor penetration from equipment stacks,
  • The final armor of the targetted submarine cannot go below 1.

Notes

How To Obtain

From limited-time quest: 2301 D1 (choice)

Ranking reward for:

  • Nov 2022: 1-5 (★+9), 6-20 (★+7), 21-100 (★+5), 101-500 (★+3)

Updates History

  • 2022-12-31: Implemented
  • 2023-01-20: Became improvable

Fit Bonuses

Type 2 Depth Charge Kai Ni/Bonuses

Improvement

Type Name Resource Day 2nd Ship Note
Fuel Ammunition Steel Bauxite Item Icon Development Material.png Item Icon Improvement Material.png # of equipment needed for that upgrade. An asterisk following the number indicates a different equipment is required. Sun Mon Tue Wed Thu Fri Sat
Depth Charges Type 2 Depth Charge Kai Ni 0 -
6
10
Improvement Improved effects
Depth Charges 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 0.75 1.06 1.29 1.50 1.67 1.83 1.98 2.12 2.25 2.37
Anti-Submarine Warfare 0.67 0.94 1.15 1.33 1.49 1.63 1.76 1.89 2.00 2.11

See Also