283 mm/52 SK C/28 (283 mm)

283 mm/52 SK C/28 cannons on the Admiral Graf Spee

Description

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Vehicles equipped with this weapon

• Admiral Graf Spee

General info

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Available ammunition

Penetration statistics
Ammunition	Type of warhead	Penetration @ 0° Angle of Attack (mm)
		1,000 m	2,500 m	5,000 m	7,500 m	10,000 m	15,000 m
Spgr L/4.2 Kz HE	HE	65	65	65	65	65	65
Psgr L/3.7 APBC	APCBC	541	498	434	380	335	267
Spgr L/4.2 Bdz SAP	SAPBC	280	258	225	197	173	138

Shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile mass (kg)	Fuse delay (s)	Fuse sensitivity (mm)	Explosive mass (TNT equivalent) (kg)	Ricochet
							0%	50%	100%
Spgr L/4.2 Kz HE	HE	910	300	0	0.1	23.33	79°	80°	81°
Psgr L/3.7 APBC	APCBC	910	300	0.035	15	7.84	48°	63°	71°
Spgr L/4.2 Bdz SAP	SAPBC	910	300	0.035	15	16.94	48°	63°	71°

Comparison with analogues

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Usage in battles

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Pros and cons

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Pros:

Cons:

History

The 283 mm/52 SK C/28 was the main cannon mounted on the Deutschland-class Panzerschiffe (literally "Armored Ships" but nicknamed "pocket battleships" by the British) such as the Admiral Graf Spee. While the Reichsmarine (German Navy) originally planned on arming these ships with six 30 cm guns or 12-inch guns, the design was later changed to the 283 mm/52 SK C/28 guns for two reasons. The first was political as the 11-inch guns would be less likely to provoke a response from the Allied Powers who through the Naval Inter-Allied Commission of Control, had the power to regulate the size of armaments on German ships. The second was economical as the smaller calibre eased pressure from the ship's design staff and were easier to produce compared to larger artillery pieces given the industrialized Ruhr region was under French occupation. The SK C/28 was a built-up gun with a one piece barrel jacket and had inferior ballistic characteristics compared to the later 283 mm/54,5 SK C/34.

Media

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See also

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• reference to the article about the variant of the cannon/machine gun;
• references to approximate analogues by other nations and research trees.

External links

• Germany 28 cm/52 (11") SK C/28 | NavWeaps