28 cm SK C/28 naval gun
The German 28 cm C/28[Note 1] was a 283 mm 52-caliber built-up gun designed in 1928 and used on the Deutschland class cruisers.
| 28 cm SK C/28 | |
|---|---|
 Adolf Hitler and other senior German staff below the aft guns of Deutschland in April 1934 | |
| Type | Naval gun |
| Place of origin | Weimar Republic |
| Service history | |
| In service | 1930-1945 |
| Used by | Reichsmarine Kriegsmarine |
| Wars | World War II |
| Production history | |
| Designed | 1928 |
| Specifications | |
| Mass | 48.2 tonnes (47.4 long tons) |
| Length | 14.815 m (48 ft 7.3 in) |
| Barrel length | 13.9 m (46 ft) (bore length) |
| Caliber | 283 mm (11.1 in) |
| Elevation | -10° to +40°[1] |
| Rate of fire | 2.5 RPM |
| Muzzle velocity | 910 m/s (3,000 ft/s) |
| Maximum firing range | 36,475 m (22.665 mi) at 40° |
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 (660 lb) |
| Semi-armor-piercing | 4.2 | 300 kg (660 lb) | |
| Igniting | 4.2 | 300 kg (660 lb) | |
| SK C/34 | Armor-piercing | 4.4 | 336 kg (741 lb) |
| Semi-armorpiercing | 4.4 | 316 kg (697 lb) | |
| Igniting | 4.5 | 315 kg (694 lb) |
Performance of the SK C/28 at different ranges, firing a 300 kg armour-piercing projectile :[2]
| Distance | 5,000 m (5,500 yd) | 10,000 m (11,000 yd) | 15,000 m (16,000 yd) | 20,000 m (22,000 yd) | 25,000 m (27,000 yd) | 30,000 m (33,000 yd) | 35,000 m (38,000 yd) | 36,475 m (39,890 yd) |
|---|---|---|---|---|---|---|---|---|
| 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 (2,470 ft/s) | 611 m/s (2,000 ft/s) | 493 m/s (1,620 ft/s) | 407 m/s (1,340 ft/s) | 360 m/s (1,200 ft/s) | 353 m/s (1,160 ft/s) | ? | - |
Footnotes
- Notes
- SK - Schnelladekanone (quick loading cannon); C - Construktionsjahr (year of design)
- Citations
- Campbell, Naval Weapons of WWII, p.232.
- Tony diGiulian, http://www.navweaps.com/Weapons/WNGER_11-52_skc28.htm
External links
 |
Wikimedia Commons has media related to 28 cm/52 SK C/28. |
- DiGiulian, Tony (13 October 2006). "German 28 cm/52 (11") SK C/28". Navweaps.com. Archived from the original on 23 March 2009. Retrieved 29 March 2009.
- Campbell, John (1985). Naval Weapons of World War Two. Naval Institute Press. ISBN 0-87021-459-4.
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