12.7cm Twin Gun Mount Model B Kai 2

No.63 12.7cm連装砲B型改二
RedGunLight.png Small Caliber Main Gun
Effects: Firepower+3 AA+2 RangeShort
Scrap value: Ammo 1 Steel 2 (Unbuildable)

Equipment Card 12.7cm Twin Gun Mount Model B Kai 2.png

Equipment Character 12.7cm Twin Gun Mount Model B Kai 2.png

Equipment Item 12.7cm Twin Gun Mount Model B Kai 2.png

Equipment Full 12.7cm Twin Gun Mount Model B Kai 2.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

艦隊型駆逐艦の主砲のマイナーチェンジバージョンです。
基本形と同様、防盾で全周を遮蔽、弾片や荒天対策を施しており、また本バージョンでは仰角範囲等も改良されました。
駆逐艦夕立等に搭載されたとも云われています。

This is a slightly improved version of the main guns of fleet destroyers.
Similar to the base model, it has a shielded, enclosed turret that protects against shrapnel and stormy weather. This version has had its maximum elevation improved.
It was equipped on the destroyer Yuudachi.

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).

Notes

How To Obtain

Stock equipment of: Amagiri Kai , Ayanami Kai Ni , Ayanami Kai , Harusame Kai , Hatsuharu Kai Ni , Kawakaze Kai Ni , Kawakaze Kai , Ooshio Kai Ni , Oyashio Kai , Sagiri Kai , Shikinami Kai Ni , Umikaze Kai , Yamakaze Kai , Yuudachi Kai Ni 

Upgradeable from: 12.7cm Twin Gun Mount 

From quest: B112 (x2, choice), B124 (x3, choice), Cq3 (choice), F118 (x3, choice)

Ranking reward for:

  • Sep 2013: 支援艦隊
  • Oct 2013: 21-100

Uses

Used to improve: 12.7cm Twin Gun Mount Model B Kai 2 , 12.7cm Twin Gun Mount Model C Kai 2 , QF 4.7inch Gun Mk.XII Kai , 12.7cm Twin Gun Mount Model B Kai 4 (Wartime Modification) + Anti-Aircraft Fire Director 

Used by quest: F78

Updates History

Fit Bonuses

Ship Extra Requirement               Note
Yuudachi  +1 +1 +2
Kai Ni  +1
Shigure Kai Ni  +1
Kawakaze Kai Ni  +2
Shiratsuyu Kai (Ni) 
 

Murasame Kai (Ni) 
 
+1
Shikinami Kai Ni  +1 +1
Amagiri Kai Ni (D) 
 
+2 +1
Other Ayanami-class 
 
 
 
 
 
 
 

Akatsuki-class 
 
 
 

Hatsuharu-class 
 
 
 
 
+1

Improvement

  12.7cm Twin Gun Mount Model B Kai 2

Improvement Conversion
★ Improvement
Level
0~5 6~9
 
12.7cm Twin Gun Mount Model C Kai 2


  Consumed 2/2 2/3 4/8
  Consumed 2/3 2/4 4/7
Equipment
Consumed
-    x3
Items
Consumed
- -
Resources  10  40  70  0
Ship Helper Conversion
 
Yuudachi Kai Ni
 
12.7cm Twin Gun Mount Model C Kai 2
Mon Tue Wed Thu Fri Sat Sun
 
Ayanami Kai Ni
Mon Tue Wed Thu Fri Sat Sun
 
Kawakaze Kai Ni
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

This gun is the modified version of the twin-gun Model B which was used by Ayanami-class and Akatsuki-class destroyers. The main difference between Type A and Type B is that instead of the former's elevation range of −5° to +40°, type B's range is upgraded to 75°, which is required for the more complicated and effective AA systems installed on newer destroyers. Type B armor, however, was too thin to withstand heavy seas and splinter damage, thus the Type B Kai was introduced, adding more protection.

First mounted on Hatsuharu-class destroyers, but the effectiveness is unknown.

See Also

12.7 cm/50 Type 3 naval gun (the later part)