28 cm MRK L/35

The 28 cm MRK L/35 was a German naval gun that was used in World War I as the primary armament of the Brandenburg-class pre-dreadnought battleships. It also saw use as a Coastal-defense gun during World War II.

28 cm MRK L/35
A 28 cm gun at Oscarsborg Fortress
TypeNaval gun
Coast-defense gun
Place of originGerman Empire
Service history
Used byGerman Empire
Ottoman Empire
Norway
WarsBoxer Rebellion
World War I
World War II
Production history
DesignerKrupp
Designed1891
ManufacturerKrupp
Specifications
Mass43.9 t (43.2 long tons; 48.4 short tons)
Length9.8 m (32 ft 2 in) L/35
Barrel length8.95 m (29 ft 4 in)

ShellSeparate-loading, bagged charge and projectile
Shell weight240 kg (530 lb)
Caliber283 mm (11.1 in)
BreechHorizontal sliding-wedge
Elevation-5° to +25°
Traverse-150° to +150°
Rate of fire1 round every two minutes
Muzzle velocity685 m/s (2,250 ft/s)
Effective firing range11 km (6.8 mi) at 25°
Maximum firing range14.45 km (8.98 mi) at 25°
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