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
TypeNaval gun
Place of originWeimar Republic
Service history
In service1930-1945
Used byReichsmarine
Kriegsmarine
WarsWorld War II
Production history
Designed1928
Specifications
Mass48.2 tonnes (47.4 long tons)
Length14.815 m (48 ft 7.3 in)
Barrel length13.9 m (46 ft) (bore length)

Caliber283 mm (11.1 in)
Elevation-10° to +40°[1]
Rate of fire2.5 RPM
Muzzle velocity910 m/s (3,000 ft/s)
Maximum firing range36,475 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) ? -

See also

Footnotes

Notes
  1. SK - Schnelladekanone (quick loading cannon); C - Construktionsjahr (year of design)
Citations
  1. Campbell, Naval Weapons of WWII, p.232.
  2. Tony diGiulian, http://www.navweaps.com/Weapons/WNGER_11-52_skc28.htm
  • 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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