12.7cm Twin Gun Mount
[Edit]
No.2 12.7cm連装砲
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 Small Caliber Main GunEffects:
 +2  +2  ShortScrap value:
 1  2 (Buildable) | |
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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
艦隊型駆逐艦の主砲です。
防盾で全周を遮蔽、弾片や荒天対策を施しており、また動力操法も採用した近代的な小型艦の主砲で、多くの主力駆逐艦に採用されました。
あまり仰角はとれず、対空射撃は少し苦手です。
The main gun of fleet destroyers.
It has an enclosed, shielded turret that protects it against shrapnel and stormy weather. It also has powered turrets. It served as the main gun of modern small ships and many frontline destroyers.
It isn't good at anti-air because of its low maximum elevation.
Mechanics
Main Guns
are the main armament used by surface ships. Their main stats are the "firepower" 
and "accuracy" 
. They are notably required to trigger all Artillery Spotting attacks as well as some Night Cut-Ins, notably the "Double Attack" (DA).
- Most main guns come with "Hidden Fit Bonuses/Penalties", especially larger ones.
- Small Caliber Main Guns bring some accuracy bonus against PT boats.
Notes
How To Obtain
| Best craft recipe |  10 |
 10 |
 20 |
 10 |
TorpedoDoes NOT include SS/SSV Ships with special crafting will have reduced rates of other specific equipmentSecretary: Category Torpedo Ship Types included: DE, DD, CL, CLT, CT or AO (Except Souya (AGS)  )
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|---|
Stock equipment of: Akatsuki
, Akebono
, Akigumo
, Akishimo
, Amagiri
, Amatsukaze
, Arare
, Arashio
, Arashi
, Ariake
, Asagumo
, Asashimo
, Asashio
, Ayanami
, Chitose Kai
, Chiyoda Kai
, Fujinami
, Hagikaze
, Hamakaze
, Hamanami
, Harusame
, Hatsuharu
, Hatsukaze
, Hatsushimo
, Hayanami
, Hayashimo
, Hibiki
, Ikazuchi
, Inazuma
, Isokaze
, Kagerou
, Kasumi
, Kawakaze
, Kazagumo
, Kishinami
, Kiyoshimo
, Kuroshio
, Maikaze
, Makigumo
, Makinami
, Michishio
, Minegumo
, Murasame Kai
, Murasame
, Naganami
, Nenohi
, Nowaki
, Oboro
, Okinami
, Ooshio
, Oyashio
, Sagiri
, Samidare
, Sazanami
, Shigure
, Shikinami
, Shimakaze
, Shiranui
, Shiratsuyu
, Suzukaze
, Suzunami
, Takanami
, Tanikaze
, Tokitsukaze
, Umikaze
, Urakaze
, Ushio
, Wakaba
, Yamagumo
, Yamakaze
, Yukikaze
, Yuudachi Kai
, Yuudachi
, Yuugumo
, Hayashio
,Yuugure
, Yuugure Kai
Uses
Used to improve: 12.7cm Twin Gun Mount
, 12.7cm Twin Gun Mount Model B Kai 2
, 12.7cm Single Gun Mount
, 120mm/50 Twin Gun Mount
, 12.7cm Single High-angle Gun Mount (Late Model)
, 12.7cm Twin Gun Mount Model C Kai 2
, QF 4.7inch Gun Mk.XII Kai
, 130mm B-13 Twin Gun Mount
, 12.7cm Twin Gun Mount Model A
12.7cm Twin Gun Mount Model C Kai 3
Updates History
- 2013-04-23: Implemented with initial game release
- 2014-10-24: Became improvable and upgradeable to 12.7cm Twin Gun Mount Model B Kai 2
- 2018-06-29: Became upgradeable to 12.7cm Twin Gun Mount Model A Kai 2
- 2018-08-17: No longer upgradeable to 12.7cm Twin Gun Mount Model A Kai 2 , card CG updated
Improvement
|
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|---|---|---|---|---|---|---|
| Improvement | → | Conversion | ||||
| ★ Improvement Level |
0~5 | 6~9 |  12.7cm Twin Gun Mount Model B Kai 2 | |||
 Consumed
|
1/2 | 1/2 | 2/3 | |||
 Consumed
|
1/2 | 1/2 | 3/6 | |||
| Equipment Consumed |
- | 
|
x2
| |||
| Items Consumed |
- | - | ||||
| Resources | 10 30 60 0
| |||||
| Ship Helper | Conversion | |||||
|---|---|---|---|---|---|---|
| Any | 12.7cm Twin Gun Mount Model B Kai 2 | |||||
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
Improvement  effects
| ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
1★ | 2★ | 3★ | 4★ | 5★ | 6★ | 7★ | 8★ | 9★ | Max★ |
|
|
1.00 | 1.41 | 1.73 | 2.00 | 2.23 | 2.44 | 2.64 | 2.82 | 3.00 | 3.16 |
|
1.00 | 1.41 | 1.73 | 2.00 | 2.23 | 2.44 | 2.64 | 2.82 | 3.00 | 3.16 |
| Day
|
1.00 | 1.41 | 1.73 | 2.00 | 2.23 | 2.44 | 2.64 | 2.82 | 3.00 | 3.16 |
| Night
|
1.30 | 1.84 | 2.25 | 2.60 | 2.91 | 3.18 | 3.44 | 3.68 | 3.90 | 4.11 |
Trivia
The main gun for most post-Mutsuki class Japanese destroyers save for the Akizuki, Matsu, and Tachibana classes. Had four major variants denoted A, B, C, and D respectively (A being the oldest), the main differences between the variants being the weight and the gun's elevation angle. Type A was limited to 40 °. elevation and was quite useless when it came to the AA role. The maximum elevation angle was raised to 75 °. for the B and D-types while the C-type was capable of 55 °. Unfortunately, the firing rate at high elevation angles was very low since the loading sequence required hand ramming, which made Japanese destroyers vulnerable to aerial attacks.