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Type 3 Depth Charge Projector

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No.45 三式爆雷投射機
DepthCharge.png Depth Charge
Effects: ASW+8
Scrap value: Ammo 3 Steel 1 Bauxite 1 (Buildable)

Equipment Card Type 3 Depth Charge Projector.png

Equipment Character Type 3 Depth Charge Projector.png

Equipment Item Type 3 Depth Charge Projector.png

Equipment Full Type 3 Depth Charge Projector.png

Refittable Ship Types
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

対潜兵装です。
九四式にかわる新型の爆雷投射機です。
新鋭の海防艦などに装備されました。
大量装備すれば、発見さえできれば、敵潜水艦の面制圧も…きっと可能です。

An anti-submarine weapon.
A new type of depth-charge intended to replace the Type-94.
It was deployed on the latest ships.
With a bunch of these equipped, as long as you can find the enemy, you'll be sure to wipe them out.

Mechanics

Depth Charges Depth Charges are one of the main equipment used for ASW, 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 2.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} = {Mod}_\text{1} \times {Mod}_\text{2} }[/math]
[math]\displaystyle{ {Mod}_\text{1} }[/math] SONAR + Depth Charges
(Any Sonar + Any Depth Charge)
1.15
[math]\displaystyle{ {Mod}_\text{2} }[/math] Depth Charge ProjectorDCP + Depth Charge RacksDCR and NO Small SONARSmall 1.1
Small SONARSmall + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.25
Examples
[math]\displaystyle{ \text{Mod}_\text{synergy} }[/math] Small SONARSmall + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.4375[math]\displaystyle{ 1.15 \times 1.25 }[/math]
Large SONARLarge + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.265[math]\displaystyle{ 1.15 \times 1.1 }[/math]
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,
Note
  • Armor penetration from equipment stacks,
  • The final armor of the targetted submarine cannot go below 1.

Notes

How To Obtain

Buildable

Stock equipment of: Akebono Kai NiAkebono Kai Ni, Arashi KaiArashi Kai, Isuzu Kai NiIsuzu Kai Ni, Kaiboukan No.30Kaiboukan No.30, Kaiboukan No.4Kaiboukan No.4, Kazagumo Kai NiKazagumo Kai Ni (★+5), Kuroshio Kai NiKuroshio Kai Ni (★+5), Tanikaze D KaiTanikaze D Kai, Tatsuta Kai NiTatsuta Kai Ni, Kaiboukan No.22 KaiKaiboukan No.22 Kai, TamanamiTamanami

Upgradeable from: Type 94 Depth Charge ProjectorType 94 Depth Charge Projector (★+3)

From quest: By6 (★+2, choice), C25 (choice), Cq3 (choice)

From limited-time quest: 21Su LB2 (choice), 21Su LB3 (x3, choice), 2103LQ1 (x3, choice), 2103LQ2 (choice), 2103B2 (x2, choice), 2204 B1 (x3, choice), 2212 C1 (x4, choice), 2312 C1 (x3, choice)

Ranking reward for:

  • Jul 2013: 海上護衛総隊
  • Aug 2013: 海上護衛総隊
  • Sep 2013: 海上護衛総隊
  • Oct 2013: 海上護衛総隊
  • Nov 2013: 海上護衛総隊

Event reward for:

Uses

Used to improve: Type 3 Depth Charge ProjectorType 3 Depth Charge Projector, S-51J KaiS-51J Kai, Type 3 Depth Charge Projector (Concentrated Deployment)Type 3 Depth Charge Projector (Concentrated Deployment)

Updates History

  • 2013-05-08: Implemented as buildable item
  • 2013-06-12: Stats increased: Anti-Submarine Warfare+? → Anti-Submarine Warfare+6
  • 2013-11-01: Stats increased: Anti-Submarine Warfare+6 → Anti-Submarine Warfare+8
  • 2014-02-26: ASW synergy added
  • 2018-06-13: Became improvable

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Katori-classKatori
Kashima
+3 +2 Added 2021-03-01

Improvement

DepthCharge.png Type 3 Depth Charge Projector

Improvement Not
Upgradable
★ Improvement
Level
0~5 6~9
Development material Consumed 3/3 3/5
Improvement material Consumed 2/3 2/4
Equipment
Consumed
- Equipment Card Type 3 Depth Charge Projector.png
Items
Consumed
-
Resources Fuel10 Ammunition80 Steel20 Bauxite30
Ship Helper Conversion
Ship Banner Isuzu Kai Ni.png
Isuzu Kai Ni
-
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Kuroshio Kai Ni.png
Kuroshio Kai Ni
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Hiburi.png
Hiburi/Kai
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Daitou.png
Daitou/Kai
Mon Tue Wed Thu Fri Sat Sun
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