28 cm MRK L/40

28 cm MRK L/40
The Ottoman battleship Barbaros Hayreddin or Turgut Reis
TypeNaval gun
Railway gun
Coastal artillery
Place of originGerman Empire
Service history
Used byGerman Empire
Ottoman Empire
Chile
China
WarsBoxer Rebellion
World War I
Production history
DesignerKrupp
ManufacturerKrupp
Specifications
Mass44 t (43 long tons; 49 short tons)
Length11.2 m (36 ft 9 in) L/40
Barrel length10.4 m (34 ft 1 in)[1]

ShellSeparate-loading, bagged charge and projectile
Shell weight240 kg (530 lb)
Caliber283 mm (11.1 in)[1]
BreechHorizontal sliding-wedge
Elevation-5° to +25°
Traverse-150° to +150°[2]
Rate of fire1 round every two minutes
Muzzle velocity715 m/s (2,350 ft/s)
Effective firing range11 km (6.8 mi) at 25°
Maximum firing range15 km (9.3 mi) at 25°[1]

The 28 cm MRK L/40 was a German naval gun that was used in World War I as the primary armament of the Brandenburg-class pre-dreadnought battleships. Some were also converted to railway guns during World War I.

  1. ^ a b c Cite error: The named reference Friedman 2011 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference DiGiulian 2018 was invoked but never defined (see the help page).