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Prototype 51cm Twin Gun Mount

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No.128 試製51cm連装砲
RedGunHeavy.png Large Caliber Main Gun (II) (51 cm)
Effects: Firepower+30 AA+5 Accuracy+1 Evasion-1 RangeVery Long
Scrap value: Ammo 30 Steel 28 (Unbuildable)

Equipment Card Prototype 51cm Twin Gun Mount.png

Equipment Character Prototype 51cm Twin Gun Mount.png

Equipment Item Prototype 51cm Twin Gun Mount.png

Equipment Full Prototype 51cm Twin Gun Mount.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

改「大和」型、そしてその拡大発展級である超「大和」型の主兵装として開発されている新型戦艦用大口径主砲です。
51cm砲が実現する群を抜いたその火力は、他の戦艦主砲の火力を圧倒します。
46cm砲をも凌駕する大きさと重量なため、戦艦級の中でも限られた艦艇のみ、本兵装を装備することが可能です。

This is a large-caliber main gun for a new type of battleship that is being developed as the main weapon for the "Kai Yamato-class" and the expanded "Super Yamato-class".
The 51 cm guns achieved firepower that overwhelmed the firepower of other battleship main guns.
As the gun surpasses even the weight and size of the 46 cm guns, only a limited number of battleships can carry this gun.

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: Musashi Kai NiMusashi Kai Ni

Upgradeable from: 46cm Triple Gun Mount Kai46cm Triple Gun Mount Kai

From quest: B181 (choice)

Ranking reward for:

  • Jun 2015: 1-5 (x2), 6-20
  • Jul 2015: 1-5, 6-20
  • Sep 2015: 1-5, 6-20, 21-100
  • Oct 2015: 1-5
  • Nov 2015: 1-5, 6-20, 21-100
  • Jan 2016: 1-5, 6-20
  • May 2016: 1-5, 6-20
  • Jun 2016: 1-5, 6-20
  • Nov 2016: 1-5, 6-20

Event reward for:

Updates History

  • 2015-02-06: Implemented
  • 2015-05-18: Became improvable
  • 2021-06-22: Became upgradeable to 51cm Twin Gun Mount51cm Twin Gun Mount
  • 2022-06-08: Visible bonuses added

Fit Bonuses

Prototype 51cm Twin Gun Mount Equipment Bonuses
Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Accuracy Evasion Note
Yamato Kai Ni /JuuYamato Kai Ni
Yamato Kai Ni Juu

Musashi Kai NiMusashi Kai Ni
- +1 +1
+ 15m Duplex Rangefinder + Type 21 Radar Kai 215m Duplex Rangefinder + Type 21 Radar Kai 2 OR 15m Duplex Rangefinder Kai + Type 21 Radar Kai 2 + Skilled Fire Direction Center15m Duplex Rangefinder Kai + Type 21 Radar Kai 2 + Skilled Fire Direction Center +1 +2 One-time[1]
+ 15m Duplex Rangefinder Kai + Type 21 Radar Kai 2 + Skilled Fire Direction Center15m Duplex Rangefinder Kai + Type 21 Radar Kai 2 + Skilled Fire Direction Center +1 +1 One-time[1]
Other Yamato-classYamato
Musashi
+ 15m Duplex Rangefinder + Type 21 Radar Kai 215m Duplex Rangefinder + Type 21 Radar Kai 2 OR 15m Duplex Rangefinder Kai + Type 21 Radar Kai 2 + Skilled Fire Direction Center15m Duplex Rangefinder Kai + Type 21 Radar Kai 2 + Skilled Fire Direction Center +1 +2 One-time[1]
  1. 1.0 1.1 1.2 Shared with 51cm Twin Gun Mount51cm Twin Gun Mount

Improvement

RedGunHeavy.png Prototype 51cm Twin Gun Mount

Improvement Conversion (helper-dependent)
★ Improvement
Level
0~5 6~9
Equipment Card 51cm Twin Gun Mount.png
51cm Twin Gun Mount
Development material Consumed 7/9 10/15 26/51
Improvement material Consumed 5/7 7/10 15/18
Equipment
Consumed
Equipment Card 46cm Triple Gun Mount.pngx2 Equipment Card 46cm Triple Gun Mount.pngx3 Equipment Card 46cm Triple Gun Mount Kai.png
Items
Consumed
- Item Icon New Model Gun Mount Improvement Material.pngx3 Item Icon Action Report.png
Resources Fuel50 Ammunition550 Steel950 Bauxite80
Ship Helper Conversion
Ship Banner Musashi Kai.png
Musashi Kai
Equipment Card 51cm Twin Gun Mount.png
51cm Twin Gun Mount
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Musashi Kai Ni.png
Musashi Kai Ni
Mon Tue Wed Thu Fri Sat Sun
Ship Helper Conversion
Ship Banner Yamato Kai.png
Yamato Kai/Ni/Juu
-
Mon Tue Wed Thu Fri Sat Sun
Improvement Improved effects
Large Caliber Main Gun 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 1.50 2.12 2.59 3.00 3.35 3.67 3.96 4.24 4.50 4.74
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

See also