15.2cm Single Gun Mount

[Edit] 15.2cm Single Gun Mount No.11 15.2cm単装砲
Secondary Gun Effects: +2 +1 Medium Scrap value: 2 2 (Buildable)
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 GunsSecSp_Sec serve a similar role to Main Guns. Their main stats are the "firepower" and "accuracy" . They are notably required to trigger some weaker Artillery Spotting attacks as well as some Night Cut-Ins, notably the "Double Attack" (DA).

• They do not have any "Hidden Penalties" on any ships.
• They bring an accuracy bonus against PT boats.

Notes

How To Obtain

Buildable

Stock equipment of: Fusou, Haruna, Hiei, Kirishima, Kongou, Yamashiro

Uses

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

Used by quest: F44

Updates History

• 2013-04-23: Implemented with initial game release
• 2014-10-24: Stats increased: +1 → +2
• 2015-05-18: Became improvable and upgradeable to 15.2cm Twin Gun Mount, Hidden Fit Bonuses added
• 2017-12-11: Hidden Fit Bonuses increased

Improvement

15.2cm Single Gun Mount
Improvement			→	Conversion
★ Improvement Level	0~5	6~9		15.2cm Twin Gun Mount
Consumed	2/2	2/3		3/4
Consumed	1/2	2/3		3/5
Equipment Consumed	-			x2
Items Consumed	-			-
Resources	10 60 90 0

Ship Helper	Conversion
Agano/Kai	15.2cm Twin Gun Mount
Mon		Tue	Wed	Thu	Fri	Sat	Sun
Kongou/Kai/Ni C
Mon	Tue	Wed	Thu	Fri	Sat	Sun
Kongou Kai Ni
Mon	Tue	Wed	Thu	Fri	Sat	Sun
Fusou/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

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.