17 cm SK L/40 gun

17 cm SK L/40
A 17 cm SK L/40 on a Kusten-Mittlepivot-Lafette
TypeNaval gun
Railway gun
Coast-defence gun
Place of originGerman Empire
Service history
In service1906—1945
Used byGerman Empire
Nazi Germany
WarsWorld War I
World War II
Production history
Designed1904—1906
Specifications
Mass10.7 metric tons (10.5 long tons; 11.8 short tons)
Length6.904 meters (22 ft 7.8 in)

Shellseparate-loading, cased charge
Shell weight64 kg (141 lb)
Caliber172.6 millimeters (6.80 in)
Breechhorizontal sliding-wedge
ElevationCasemates: -5° to +22°
Turrets: -5° to 30°
Rate of fire6 RPM
Muzzle velocity850 m/s (2,800 ft/s)
Maximum firing rangeCasemates: 15,860 metres (17,340 yd) at 22°
Turrets: 18,500 metres (20,200 yd) at 30°

The 17 cm SK L/40[Note 1] was a Kaiserliche Marine naval gun that was used on two classes of German pre-dreadnought battleships the Braunschweig-class and the Deutschland-class as their secondary battery. Later they were adapted for land service during World War I and World War II.
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