15 cm TbtsK C/36 naval gun

15 cm TbtsK C/36
Forward 15 cm TbtsK C/36 naval guns placed on a Drh L C/38 twin mount, on Z39 in 1945, in US service as DD-939.
TypeNaval gun
Place of originNazi Germany
Service history
In service1942–1945
Used byNazi Germany
WarsSecond World War
Production history
DesignerRheinmetall
Designed1936
ManufacturerRheinmetall
Specifications
Mass7,200–8,564 kilograms (15,873–18,880 lb)
Length7.165 meters (23.51 ft)
Barrel length6.815 meters (22.36 ft) (bore)

Shellseparate-loading, cased charge
Shell weight45.3 kilograms (100 lb)
Caliber
  • 15 cm (5.9 in) (nominal)
  • 14.91 centimeters (5.87 in) actual
Breechhorizontal sliding-block
Elevation
  • C/36 single mount: -10° to +30°
  • C/38 Twin mount: -10° to +65°
TraverseVaried based on type and location of mount.
Rate of fire8 rpm (maximum)
Muzzle velocity835 meters per second (2,740 ft/s)
Effective firing range23.55 kilometres (14.63 mi) at 47°
Maximum firing range21,950 meters (24,000 yd) at 30°

The 15 cm TbtsK C/36 was a German medium-caliber naval gun deployed on Type 1936A (Mob) destroyers during the Second World War. It was designed because the Oberkommando der Marine (German Naval High Command) thought that the 12.7 cm (5.0 in) guns of the Type 1936 and 1936A destroyers would potentially be inferior to those of possible enemies. The guns caused serious issues when placed upon the ships as they added significant weight high up on the ships. To deal with this increase in weight, the destroyers had one gun removed, sometimes with a twin gun being used in order to keep five guns.