15 cm SK L/45
|15 cm SK L/45|
|Place of origin||German Empire|
|Wars||World War I
World War II
|Weight||5,730 kilograms (12,630 lb)|
|Length||6.71 metres (22 ft 0 in)|
|Barrel length||6.32 metres (20 ft 9 in) 45 caliber|
|Shell||separate loading quick fire|
|Caliber||149.1 millimetres (5.87 in)|
|Traverse||-150° to +150°|
|Rate of fire||5-7 rpm|
|Muzzle velocity||840 metres per second (2,800 ft/s)|
|Maximum firing range||See table|
The 15 cm SK L/45 was a widely used naval gun on many classes of World War I Dreadnoughts and Cruisers in both casemates and turrets. It was constructed of an A tube and two layers of hoops with a Krupp horizontal sliding wedge breech block. During World War I a few pre-war cruisers that were armed with 10.5 cm guns were rearmed with these weapons. In World War II the 15 cm SK L/45 was widely used as Coastal artillery and as primary armament on German Auxiliary Cruisers.
Ship classes that carried the 15 cm SK L/45 include:
|Type of Mount||Designation||Weight||Elevation||Range (during World War I)||Ship classes|
|Single pedestal mounts in casemates||MPL C/06||15,770 kg (34,770 lb)||-7° to +20°||14.9 km (9.3 mi) at 20°||Nassau, Helgoland, Kaiser, von der Tann, Moltke, Blücher|
|MPL C/06.11||16,533 kg (36,449 lb)||-10° to +19°||13.5 km (8.4 mi) at +19||König, Seydlitz, Derfflinger, Lutzow|
|MPL C/13||17,950 kg (39,570 lb)||-8.5° to +19||13.5 km (8.4 mi) at +19||Bayern, Hindenburg, Mackensen|
|MPL C/13 mod||18,350 kg (40,450 lb)||-8.5° to +22||15.8 km (9.8 mi) at +22||Wartime modification to MPL C/13|
|Single pedestal mounts in open half-shields||MPL C/14||16,185 kg (35,682 lb)||-10° to +22°||15.8 km (9.8 mi) at +22||Wiesbaden, Königsberg II|
|MPL C/16||17,116 kg (37,734 lb)||-10° to +27°||16.8 km (10.4 mi) at +27||Cöln II, Emden II|
|MPL C/16 mod||-10° to +30||17.6 km (10.9 mi) at +30||wartime modification to MPL C/16|
Ammunition was of separate loading quick fire type. The projectiles were 61 cm (2 ft) long with a single bagged charge which weighed 13–14 kg (29–31 lb).
The gun was able to fire:
- Armor Piercing 45.3 kg (100 lb)
- High Explosive Base Fuzed 45.3 kg (100 lb)
- High Explosive Nose Fuzed 45.3 kg (100 lb)
- Common Shell 45.3 kg (100 lb)
Coast Defense Gun
The same gun was used for coast defense duties in concrete emplacements after World War I. One example was 3./Marine-Artillerie Abteilung 604 ("3rd Battery of Naval Artillery Battalion 604") in Jersey. They show it using 44 kilograms (97 lb) shells with a range of 18,000 metres (20,000 yd)
It was also used as a railroad gun during World War I.
Weapons of comparable role, performance and era
- BL 6 inch Mk XII naval gun British equivalent
- SK - Schnelladekanone (quick loading cannon); L - Länge in Kaliber (length in caliber)
- from NavWeaps
- Gander and Chamberlain, p. 266
- Gander, Terry; Chamberlain, Peter (1979). Weapons of the Third Reich: An Encyclopedic Survey of All Small Arms, Artillery and Special Weapons of the German Land Forces 1939–1945. New York: Doubleday. ISBN 0-385-15090-3.
- Campbell, John (1985). Naval Weapons of World War Two. Naval Institute Press. ISBN 0-87021-459-4.
- Friedman, Norman (2011). Naval Weapons of World War One. Barnsley, South Yorkshire, UK: Seaforth. ISBN 978-1-84832-100-7.
- Gardiner, Robert; Gray, Randal, eds. (1984). Conway's All the World's Fighting Ships: 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN 0-85177-245-5.
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