21 cm SK L/45
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The 21 cm Schnelladekanone Länge 45, abbreviated as 21 cm SK L/45 was a German naval gun developed in the years before World War I that armed the armored cruiser SMS Blücher of the Imperial German Navy. During World War I spare guns were converted to railway guns and later employed as coastal artillery during World War II.[1]
Quick Facts Type, Place of origin ...
21 cm SK L/45 | |
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Type | Naval gun Railway gun Coastal artillery |
Place of origin | German Empire |
Service history | |
In service | 1909-1945 |
Used by | German Empire Nazi Germany |
Wars | World War I World War II |
Production history | |
Designer | Krupp |
Designed | 1905 |
Manufacturer | Krupp |
No. built | 16 |
Variants | 21 cm SK "Peter Adalbert" |
Specifications | |
Mass | 16.4 t (18.1 short tons) |
Length | 9.4 m (30 ft 10 in) |
Barrel length | 8.8 m (28 ft 10 in) |
Shell | Separate loading cased ammunition |
Shell weight | 108–113.5 kg (238–250 lb) |
Caliber | 210 mm (8.3 in) 45 caliber |
Breech | Horizontal sliding-wedge breech block |
Elevation | -5° to +30° |
Traverse | Forward and aft turrets: -150° to +150° Beam turrets: +30° to +150° |
Rate of fire | 4-6 rpm |
Muzzle velocity | 900 m/s (3,000 ft/s) |
Maximum firing range | Naval: 19 km (12 mi) at +30° Coastal Artillery: 29 km (18 mi) at +45° |
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