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21inch 4-tube Bow Torpedo Launcher (Initial Model)

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No.511 21inch艦首魚雷発射管4門(初期型)
Torpedo.png Submarine Torpedo
Effects: Torpedo+8 Evasion+4 RangeShort
Scrap value: Fuel 2 Ammo 2 Steel 2 Bauxite 2 (Buildable)

Equipment Card 21inch 4-tube Bow Torpedo Launcher (Initial Model).png

Equipment Character 21inch 4-tube Bow Torpedo Launcher (Initial Model).png

Equipment Item 21inch 4-tube Bow Torpedo Launcher (Initial Model).png

Equipment Full 21inch 4-tube Bow Torpedo Launcher (Initial Model).png

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

Introduction

米海軍で開発され、Salmon級などの潜水艦で運用された潜水艦用魚雷兵装です。
前部4門の発射管から、水上の敵艦を攻撃可能ですが、初期型の魚雷は信頼性が低く、問題もありました。
信頼性の向上した後期型では、日本の輸送船団、さらに護衛艦艇に対しても威力を発揮していきます。

A submarine torpedo developed by the US Navy and operated by Salmon-class submarines.
The four forward launch tubes are capable of attacking enemy surface ships, but early torpedoes were unreliable with various problems.
The late model, with improved reliability, will demonstrate its power against Japanese convoys and escort ships.

Mechanics

Torpedoes Torpedoes are almost exlusively used to trigger Night Cut-Ins, especially the Torpedo Cut-In (TCI). Their main stat is the "torpedo" Torpedo Attack stat.

Notes

How To Obtain

Buildable using a USN submarine as Secretary

Event reward for:

  • Summer 2023 Event E-2: Hard (x3, choice), Medium (x2, choice), Easy (choice), Casual (choice)

Uses

Used to improve: 21inch 4-tube Bow Torpedo Launcher (Initial Model)21inch 4-tube Bow Torpedo Launcher (Initial Model), 21inch 4-tube Bow Torpedo Launcher (Late Model)21inch 4-tube Bow Torpedo Launcher (Late Model)

Updates History

Fit Bonuses

21inch 4-tube Bow Torpedo Launcher (Initial Model) Equipment Bonuses
Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Accuracy Evasion Note
Salmon-classSalmon (1st equipped) +3 +4 One-time[1]
Gato-classDrum
Scamp
(1st equipped) +1 +2 One-time[1]

Improvement

Torpedo.png 21inch 4-tube Bow Torpedo Launcher (Initial Model)

Improvement Conversion
★ Improvement
Level
0~5 6~9
Equipment Card 21inch 4-tube Bow Torpedo Launcher (Late Model).png
21inch 4-tube Bow Torpedo Launcher (Late Model)
Development material Consumed 2/3 3/6 5/10
Improvement material Consumed 2/2 2/3 4/5
Equipment
Consumed
Equipment Card 61cm Quadruple Torpedo Mount.png Equipment Card 61cm Quadruple Torpedo Mount.pngx2 Equipment Card 21inch 4-tube Bow Torpedo Launcher (Initial Model).pngx2
Items
Consumed
- -
Resources Fuel60 Ammunition120 Steel50 Bauxite40
Ship Helper Conversion
Ship Banner Salmon.png
Salmon/Kai
Equipment Card 21inch 4-tube Bow Torpedo Launcher (Late Model).png
21inch 4-tube Bow Torpedo Launcher (Late Model)
Mon Tue Wed Thu Fri Sat Sun
Improvement Improved effects
Submarine TorpedoesSub 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Torpedo Attack 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

See Also

Mark 14 torpedo