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12.7cm Twin Gun Mount Model B Kai 2

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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 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 GunsSmall Caliber Main GunMedium Caliber Main GunLarge Caliber Main Gun are the main armament used by surface ships. Their main stats are the "firepower" Firepower and "accuracy" 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 KaiAmagiri Kai, Ayanami Kai NiAyanami Kai Ni, Ayanami KaiAyanami Kai, Harusame KaiHarusame Kai, Hatsuharu Kai NiHatsuharu Kai Ni, Kawakaze Kai NiKawakaze Kai Ni, Kawakaze KaiKawakaze Kai, Ooshio Kai NiOoshio Kai Ni, Oyashio KaiOyashio Kai, Sagiri KaiSagiri Kai, Shikinami Kai NiShikinami Kai Ni, Umikaze KaiUmikaze Kai, Yamakaze KaiYamakaze Kai, Yuudachi Kai NiYuudachi Kai Ni

Upgradeable from: 12.7cm Twin Gun Mount12.7cm 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 212.7cm Twin Gun Mount Model B Kai 2, 12.7cm Twin Gun Mount Model C Kai 212.7cm Twin Gun Mount Model C Kai 2, QF 4.7inch Gun Mk.XII KaiQF 4.7inch Gun Mk.XII Kai, 12.7cm Twin Gun Mount Model B Kai 4 (Wartime Modification) + Anti-Aircraft Fire Director12.7cm Twin Gun Mount Model B Kai 4 (Wartime Modification) + Anti-Aircraft Fire Director

Used by quest: F78

Updates History

Fit Bonuses

12.7cm Twin Gun Mount Model B Kai 2 Equipment Bonuses
Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Accuracy Evasion Note
Yuudachi Kai NiYuudachi Kai Ni - +1 +1 +1 +2
Yuudachi Base/KaiYuudachi
Yuudachi Kai 		- +1 +1 +2
Amagiri Kai Ni /DAmagiri Kai Ni
Amagiri Kai Ni D 		- +2 +1
Shikinami Kai NiShikinami Kai Ni - +1 +1
Kawakaze Kai NiKawakaze Kai Ni - +2
Shigure Kai Ni/SanShigure Kai Ni
Shigure Kai San 		- +1
Other Ayanami-classAyanami
Shikinami
Amagiri
Sagiri
Oboro
Akebono
Sazanami
Ushio
Akatsuki-classAkatsuki
Hibiki
Ikazuchi
Inazuma
Hatsuharu-classHatsuharu
Nenohi
Wakaba
Hatsushimo
Ariake
Yuugure 		- +1
Shiratsuyu Kai /NiShiratsuyu Kai
Shiratsuyu Kai Ni
Murasame Kai /NiMurasame Kai
Murasame Kai Ni
Harusame Kai NiHarusame Kai Ni 		- +1

Improvement

Type Name ★ Resource Day 2nd Ship Note
Fuel Ammunition Steel Bauxite Item Icon Development Material.png Item Icon Improvement Material.png # of equipment needed for that upgrade. An asterisk following the number indicates a different equipment is required. Sun Mon Tue Wed Thu Fri Sat
Small Caliber Main Gun 12.7cm Twin Mount Type-B Kai 2 0 10 40 70 0 2/2 2/3 - X Y
A
K 		Y
A
K 		Y
A
K 		 
 
K 		X X Yuudachi Kai Ni
Ayanami Kai Ni
Kawakaze Kai Ni 		Upgrades to 12.7cm Twin Mount Type-C Kai 2.
6 2/3 2/4 1xRedGunLight.png
10 4/8 4/7 3xRedGunLight.png
Improvement Improved effects
Small Caliber Main Gun 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Night Battle Power 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy Day 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy 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)

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Equipment List
Gallery • By Stats • Equipment Types & Icons • Development • Improvement
 
Main Guns
Foreign
10cm Twin HA Gun Mount (+ AAFD • Kai + AAFD Kai) • 12cm Single HA Gun Mount (Model E • Model E Kai) • 12.7cm HA Gun Mount (Single LM • Twin LM • Single Kai 2 • Twin Kai 2) • 12.7cm Twin HA Gun Mount (Model A Kai 3 + AAFD • Model B Kai 4 + AAFD)
Foreign
14 cm
15-15.5 cm/6 inch
20-20.3 cm/8 inch
30.5-32 cm
305mm/46 Gun Mount (Twin • Triple) (Ita) • 320mm/44 Gun Mount (Twin • Triple) (Ita) • 30.5cm Triple Gun Mount (Kai) (Sov)
35.6 cm/14 inch
38-38.1 cm
41 cm/16 inch
41cm Twin Gun Mount (Kai 2) • 41cm Triple Gun Mount (Proto • Kai • Kai 2) • 16inch Twin Gun Mount (Mk.I • Mk.V • Mk.VIII Kai) (US) • 16inch Triple Gun Mount (Mk.6 • Mk.6 + GFCS • Mk.6 mod.2 • Mk.7 • Mk.7 + GFCS) (US) • 16inch Triple Gun Mount (Mk.I • Mk.I + AFCT Kai • Mk.I Kai + FCR Type 284) (UK)
46 cm
 
Secondary Guns
Surface
Foreign
 
Anti-Air
 
Torpedo Weapons
53cm Twin Torpedo Mount • 53cm Bow O2 Torpedoes • 61cm Torpedo Mount (Triple • Triple O2 • Triple O2 LM • Quad • Quad O2 • Quad O2 LM • Quintuple O2 • Proto Sext O2) • 533mm Quint Torpedo Mount (Initial Model • Late Model) (US) • 533mm Triple Torpedo Mount (Model 53-39) (Sov)
Late Model Bow Torpedo Mount (4 tubes) (+ Skilled Sonar Personnel) • Late Model Bow Torpedo Mount (6 tubes) (+ Skilled Sonar Personnel) • Submarine 53cm Bow Torpedo Mount (8 tubes) (Late Model) • Prototype FaT Type 95 Oxygen Torpedo Kai (IJN/Ger) • 21inch 4-tube Bow Torpedo Launcher (Initial Model • Late Model) (US) • 21inch 6-tube Bow Torpedo Launcher (Initial Model • Late Model) (US) • Submarine 4-tube Stern Torpedo Launcher (Initial Model • Late Model) (US)
Kouhyouteki (Type A • Type C • Type D Kai)
 
Carrier-Based Planes
Other (IJN)
Type 96 (Kai) • Shiden (Kai 2 • Kai 4) • Reppuu (Prototype LM • Model 11 • 601 • Kai • Kai 2 • Kai 2 (CD1/Skilled)) • Prototype Jinpuu • Shinden Kai
Foreign
Bf 109 T Kai (IJN/Ger) • Fw190 (T Kai • A-5 Kai (Skilled)) (IJN/Ger) • Reggiane (2001 OR Kai • 2005 Kai) (IJN/Ita) • Wildcat (F4F-3 • F4F-4) (US) • Hellcat (F6F-3 • F6F-5) (US) • XF5U (US) • FR-1 Fireball (US) • Fulmar (UK) • Seafire Mk.III Kai (UK) • Corsair Mk.II (Ace) (UK/US)
Reppuu Kai 2 Model E (CD1/Skilled) • Hellcat (F6F-3N • F6F-5N) (US) • F4U-2 Night Corsair (US)
Foreign
Ju.87C (Kai • Kai 2 KMX • Kai 2 KMX/Skilled) (IJN/Ger) • Re.2001 CB Kai (IJN/Ita) • SBD (Yellow Wings • VB-2 Bomber Squad) (US) • SBD-5 (US) • Helldiver (SB2C-3 • SB2C-5) (US) • Corsair (F4U-1D (US) • F4U-4 (US) • AU-1 (US) • F4U-7 (Fr/US)) • FM-2 (US) • Skua (UK)
Type 97 (Skilled • 931 • 931/Skilled • Tomonaga • Murata) • Tenzan (601 • 931 • Model 12A • Tomonaga • Murata) • Ryuusei (Kai • Kai Skilled • 601 • CD1 • CD1/Skilled)
Foreign
Re.2001 G Kai (IJN/Ita) • TBD (Yellow Wings) (US) • TBF (US) • Swordfish (Mk.II Skilled • Mk.III Skilled) (UK) • Barracuda (Mk.II • Mk.III) (UK) • Mosquito TR Mk.33 (UK)
Type 97 Model E (Skilled) • Tenzan Model 12A Kai (Skilled  • Murata) • TBM-3D (US) • TBM-3W+3S (JMSDF/US)
 
Land-Based Planes
Toukai (Proto • 901)
"Army"
Type 1 Fighter Hayabusa (Model II • Model II (64) • Model IIIA • Model IIIA (54)) (IJA) • Type 3 Fighter Hien (Model 1D • 244) (IJA) • Type 4 Fighter Hayate (IJA) • Type 2 Two-seat Fighter Toryuu (Model C) (IJA) • Ki-96 (IJA) • Fw 190 D-9 (Ger) • Spitfire (Mk.I • Mk.V • Mk.IX Skilled) (UK)
"Navy"
Raiden • Shiden (Model 11 • Kai • Kai 343/301 • Kai 343/407 • Kai 343/701) • Type 0 Fighter (Model 22 (251) • Model 21 (Tainan) • Model 32 (Tainan)) • Reppuu Kai (352/Skilled)
Jets
Canard
HA
Me 163B (Ger) • Shuusui (Proto)
 
Seaplanes
Type 98 Reconnaissance Seaplane (Night Recon) • Type 0 Reconnaissance Seaplane (11B Kai Night Recon • 11A Kai 2)  • Loire 130M (Kai Skilled) (Fr) • Walrus (UK) • Sea Otter (UK)
Zuiun (631 • 634 • 634/Skilled • Model 12 • Model 12 (634) • Kai 2 (634) • Kai 2 (634/Skilled)) • Seiran (Prototype • 631) • Swordfish (Mk.III Kai • Mk.III Kai Skilled) (UK/Swe) • Laté 298B (Fr)
Type 2 Kai (Skilled) • Kyoufuu (Kai • Kai 2) • Ro.44 Seaplane Fighter (bis) (Ita)
 
Radars
 
Anti-Submarine Warfare
Ka Type Observation Autogyro (IJA) • O Type Observation Autogyro (Kai • Kai 2) (IJA) • S-51J (Kai) (JMSDF/US)
 
Miscellaneous
Night Battle Aid
Facility & Crew
Consumables
Others
Unreleased & removed
HA - High-Angle or High-Altitude; DP - Dual-Purpose; LM - Late Model; CD - Concentrated Deployment or Carrier Division
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