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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) (51cm)
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 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

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。

"Yamato" kai type, the development of a Super Yamato class main gun have been developed as one of the largest caliber gun ever to be fitted on a warship.
The 51cm guns achieved a firepower that overwhelmed the firepower of the other battleship's main guns. As the gun surpasses even the weight and size of the 46cm guns, only limited battleships are able to equip this gun.

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

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Yamato-class Kai Ni (Juu)Yamato Kai Ni
Yamato Kai Ni Juu
Musashi Kai Ni
+1 Accuracy+1
+ 15m Duplex Rangefinder Kai + Type 21 Radar Kai Ni + Skilled Fire Direction Center15m Duplex Rangefinder Kai + Type 21 Radar Kai Ni + Skilled Fire Direction Center +1 Accuracy+1, One-time between Prototype 51cm Twin Gun MountPrototype 51cm Twin Gun Mount / 51cm Twin Gun Mount51cm Twin Gun Mount
+ 15m Duplex Rangefinder + Type 21 Radar Kai Ni15m Duplex Rangefinder + Type 21 Radar Kai Ni OR 15m Duplex Rangefinder Kai + Type 21 Radar Kai Ni + Skilled Fire Direction Center15m Duplex Rangefinder Kai + Type 21 Radar Kai Ni + Skilled Fire Direction Center +1 Accuracy+2, One-time between Prototype 51cm Twin Gun MountPrototype 51cm Twin Gun Mount / 51cm Twin Gun Mount51cm Twin Gun Mount
Other Yamato-classYamato
Musashi
+ 15m Duplex Rangefinder + Type 21 Radar Kai Ni15m Duplex Rangefinder + Type 21 Radar Kai Ni OR 15m Duplex Rangefinder Kai + Type 21 Radar Kai Ni + Skilled Fire Direction Center15m Duplex Rangefinder Kai + Type 21 Radar Kai Ni + Skilled Fire Direction Center +1 Accuracy+2, One-time between Prototype 51cm Twin Gun MountPrototype 51cm Twin Gun Mount / 51cm Twin Gun Mount51cm Twin Gun Mount

Akashi's Improvement Arsenal

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
Large Caliber Main Gun Prototype 51cm Twin Gun Mount 0 50 550 950 80 7/9 5/7 2xRedGunHeavy.png X Y Y X X X X Yamato KaiYamato Kai
6 10/15 7/10 3xRedGunHeavy.png
10 - - -
0 {{{Fuel:2}}} {{{Ammo:2}}} {{{Steel:2}}} {{{Baux:2}}} 7/9 5/7 2xRedGunHeavy.png X M1
 
 
M2
M1
M2
 
M2
X X Musashi KaiMusashi Kai
Musashi Kai NiMusashi Kai Ni
Upgrades to 51cm Twin Gun Mount51cm Twin Gun Mount
6 10/15 7/10 3xRedGunHeavy.png
10 28/51 15/18 1xRedGunHeavy.png
3xItem Icon New Model Gun Mount Improvement Material.png
1xAction Report

See also

51 cm/45 (20.1") "A" Type 98 (?)