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Type 2 12cm Mortar Kai (Concentrated Deployment)

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No.347 二式12cm迫撃砲改 集中配備
DepthCharge.png Depth Charge
Effects: Armor-1 ASW+7 Evasion+1
Provides bonuses against installations
Scrap value: Fuel 1 Ammo 4 Steel 2 Bauxite 1 (Unbuildable)

Equipment Card Type 2 12cm Mortar Kai (Concentrated Deployment).png

Equipment Character Type 2 12cm Mortar Kai (Concentrated Deployment).png

Equipment Item Type 2 12cm Mortar Kai (Concentrated Deployment).png

Equipment Full Type 2 12cm Mortar Kai (Concentrated Deployment).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

日本陸軍が開発した陸戦用の迫撃砲の艦載型改良型です。十分な対潜装備のなかった船舶に装備され、前方投射型の対潜火器としても運用された同迫撃砲をさらに強化改良、これを集中配備した代替対潜火器装備です。同兵装をさらに集中運用、大量の迫撃砲弾の連続発射による対地制圧攻撃も可能です。

An improved shipborne model of the mortar was developed by the Imperial Japanese Army for land warfare. This is the concentrated deployment of the improvised anti-submarine equipment. These upgraded mortars were mounted forwards on ships that did not have sufficient anti-submarine equipment. Further concentrated deployment also allows these mortars to be used for ground suppression by firing multiple large salvos.

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 Mortars have additional Anti-Installation bonuses similar to Anti-Ground Rockets.

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

Upgradeable from: Type 2 12cm Mortar KaiType 2 12cm Mortar Kai

Ranking reward for:

  • Jun 2019: 1-5, 6-20
  • Jul 2019: 1-5, 6-20

Updates History

  • 2019-07-30: Implemented as ranking reward

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Yamashio MaruYamashio Maru +2 +2 One-time

See Also