21inch 6-tube Bow Torpedo Launcher (Late Model)
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No.441 21inch艦首魚雷発射管6門(後期型)
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 Submarine TorpedoEffects:
 +14  +3  +3  ShortScrap value:
 3  4  2  2 (Unbuildable) | |
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| 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、運用された潜水艦用魚雷兵装です。
前部6門の発射管から最大6射線、後部発射管もあわせれば、10発の魚雷で攻撃可能です。
信頼性の向上した後期型の魚雷は、日本の輸送船舶や護衛艦艇に対して圧倒的な猛威を発揮、
日本海軍そして日本全体の継戦能力を大きく削っていきました。
A torpedo weapon developed and deployed by the US Navy.
When the 6 bow tubes are combined with the stern tubes, the submarine is capable of launching a 10 torpedo spread.
The more reliable late-model torpedoes were an overwhelming menace against Japanese convoys and escort vessels.
It severely limited the ability of the Imperial Japanese Navy and Japan to prosecute the war.
Mechanics
Torpedoes are almost exlusively used to trigger Night Cut-Ins, especially the Torpedo Cut-In (TCI). Their main stat is the "torpedo" 
stat.
- This stat is also used to calculate damages during the Opening Torpedo Salvo and Closing Torpedo Salvo.
When used by themselves or together with 
Submarine Equipment, late-model submarine torpedoes can trigger Night Cut-Ins that have higher damage modifiers than the usual Torpedo Cut-In.
| Torpedo Cut-In modifiers | |||||
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| Attack Type | Prerequisites | Notes | Pre-cap Damage Modifier |
Accuracy Modifier |
Hits |
| Submarine Cut-ins | Sub_LM
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With Late-Model Sub Torps ONLY | 1.75 | ? | 2 |
| Sub_LM Sub_LM
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1.6 | ||||
Notes
How To Obtain
Upgradeable from: 21inch 6-tube Bow Torpedo Launcher (Initial Model)
Event reward for:
- Fall 2021 Event E-3: Hard (★+3), Medium (★+2), Easy
Updates History
- 2021-11-19: Implemented as Event Reward
- 2023-11-02: Became improvable
Fit Bonuses
| 21inch 6-tube Bow Torpedo Launcher (Late Model) Equipment Bonuses | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Gato-class 
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(1st equipped) | +2 | One-time[1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
- ↑ Shared with 21inch 6-tube Bow Torpedo Launcher (Initial Model)
Improvement
| Type | Name | ★ | Resource | Day | 2nd Ship | Note | ||||||||||||
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Sun | Mon | Tue | Wed | Thu | Fri | Sat | |||||
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21inch 6-tube Bow Torpedo Launcher (Late Model) | 0 | 120 | 160 | 80 | 60 | 6/8 | 4/5 | 1x
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S | X | X | X | S | S | S | Scamp Kai
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| 6 | ? | ? | ? | |||||||||||||||
| 10 | - | - | - | |||||||||||||||
Improvement  effects
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| Sub
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1★ | 2★ | 3★ | 4★ | 5★ | 6★ | 7★ | 8★ | 9★ | Max★ |
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0.2 | 0.4 | 0.6 | 0.8 | 1.0 | 1.2 | 1.4 | 1.6 | 1.8 | 2.0 |