28 cm SK C/28 gun
The German 28 cm C/28 was a 283 mm 52-caliber built-up gun designed in 1928 and used on the cruisers.
28 cm SK C/28 gun

Bundesarchiv, Bild 183-2008-0421-500 / CC-BY-SA 3.0 · This image was provided to Wikimedia Commons by the German Federal Archive (Deutsches Bundesarchiv) as part of a cooperation project. The German Federal Archive guarantees an authentic representation · CC BY-SA 3.0 de
- Name
- 28 cm SK C/28
- Field
- naval artillery · rifled breech loader
- Region
- Weimar Republic
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Documentary summary
The German 28 cm C/28 was a 283 mm 52-caliber built-up gun designed in 1928 and used on the cruisers.
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wikidata · Q3788035
In this article
Key facts
Key facts
• Name — 28 cm SK C/28 • Origin — Weimar Republic • Type — Naval gun • Is Artillery — yes • Service — 1930-1945 • Used By — Reichsmarine Kriegsmarine • Wars — World War II • Design Date — 1928 • Weight — 48.2 t • Length — 14.815 m • Part Length — 13.9 m (bore length) • Caliber — 283 mm • Rate — 2.5 RPM • Velocity — 910 m/s • Max Range — 36475 m at 40° • Elevation — -10° to +40°
History
History
28 cm SK C/28 naval gun were used on the famous Panzerschiffes - Lützow (ex-Deutschland), Admiral Scheer and Admiral Graf Spee. For needed elevation turrets were fitted with RPC. Shells used in the guns were of inferior ballistic characteristics when compared to successor 28 cm SK C/34.
Characteristics
Characteristics
Characteristics of SK C/28 and the later SK C/34 283 mm shells are in the table below: • Gun type — Shell type — Length(calibers) — Total weight • SK C/28 — Armor-piercing — 3.7 — 300 kg • Semi-armor-piercing — 4.2 — 300 kg • Igniting — 4.2 — 300 kg • SK C/34 — Armor-piercing — 4.4 — 336 kg • Semi-armorpiercing — 4.4 — 316 kg • Igniting — 4.5 — 315 kg Performance of the SK C/28 at different ranges, firing a 300 kg armour-piercing projectile: • Distance — 5000 m — 10000 m — 15000 m — 20000 m — 25000 m — 30000 m — 35000 m — 36475 m • Shooting angle[deg] — 1.9 — 4.5 — 8.0 — 12.5 — 18.6 — 26.3 — 36.4 — 40.0 • Shell hitting angle[deg] — 2.4 — 6.0 — 11.8 — 21.4 — 34.2 — 46.4 — 56.0 — - • Shell velocity at target — 752 m/s — 611 m/s — 493 m/s — 407 m/s — 360 m/s — 353 m/s —? — -
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Weimar Republic
Country
28 cm SK C/28 gun is associated with Weimar Republic.
Country
Citations
References
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reference work
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
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