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15.2cm Single Gun Mount

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No.11 15.2cm単装砲
YellowGun.png Secondary Gun
Effects: Firepower+2 Accuracy+1 RangeMedium
Scrap value: Ammo 2 Steel 2 (Buildable)

Equipment Card 15.2cm Single Gun Mount.png

Equipment Character 15.2cm Single Gun Mount.png

Equipment Item 15.2cm Single Gun Mount.png

Equipment Full 15.2cm Single 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

Mechanics

Secondary GunsSecondary GunSecondary High-Angle GunSecLarge Secondary High-Angle GunSp_Sec serve a similar role to Main Guns. Their main stats are the "firepower" Firepower and "accuracy" Accuracy. They are notably required to trigger some weaker Artillery Spotting attacks as well as some Night Cut-Ins, notably the "Double Attack" (DA).

Notes

How To Obtain

Buildable

Stock equipment of: FusouFusou, HarunaHaruna, HieiHiei, KirishimaKirishima, KongouKongou, YamashiroYamashiro

Uses

Used to improve: 15.2cm Single Gun Mount15.2cm Single Gun Mount, Bofors 15.2cm Twin Gun Mount Model 1930Bofors 15.2cm Twin Gun Mount Model 1930

Used by quest: F44

Updates History

Improvement

YellowGun.png 15.2cm Single Gun Mount

Improvement Conversion
★ Improvement
Level
0~5 6~9
Equipment Card 15.2cm Twin Gun Mount.png
15.2cm Twin Gun Mount
Development material Consumed 2/2 2/3 3/4
Improvement material Consumed 1/2 2/3 3/5
Equipment
Consumed
- Equipment Card 15.2cm Single Gun Mount.png Equipment Card 15.2cm Single Gun Mount.pngx2
Items
Consumed
- -
Resources Fuel10 Ammunition60 Steel90 Bauxite0
Ship Helper Conversion
Ship Banner Agano.png
Agano/Kai
Equipment Card 15.2cm Twin Gun Mount.png
15.2cm Twin Gun Mount
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Kongou.png
Kongou/Kai/Ni C
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Kongou Kai Ni.png
Kongou Kai Ni
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Fusou.png
Fusou/Kai/Ni
Mon Tue Wed Thu Fri Sat Sun
Improvement Improved effects
Secondary 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

The 15.2cm guns were originally designed by Vickers as secondary weapons for the battlecruiser Kongo, which was built in Britain by Vickers-Armstrong (Barrow). The Japanese version was designed by Engineer Hata Chiyokichi and adopted in 1908. In the Japanese Navy, Vickers-built guns were designated as Mark II while those built in Japan were designated as Mark III. The design itself was outstanding at its time, but 15.2 cm shell proved too heavy for Japanese sailors and had inferior firing rate (circa 6rpm), thus the lighter variant of 14cm caliber was later designed in-house.

When the 'Kongo-class was modernized in the 1930s, these guns were removed and reused on the Agano-class light cruisers in new twin mountings. There are also some coastal defense batteries at Guam were also equipped with these weapons.

This type of gun comes in a casemate mounting and would be mounted in an armored room along the side of the ship known as a casemate. Casemates too close to the waterline or too close to the bow of the ship were prone to flooding thus making the gun ineffective.

See Also