A semi-automatic design that did not enter service until after World War II.

Gun Characteristics

Designation 12 cm/50 (4.7") Model 1942
Ship Class Used On Oland and Östergötland classes
Date Of Design 1942
Date In Service 1945
Gun Weight N/A
Gun Length N/A
Bore Length about 236.2 in (6.000 m)
Rifling Length N/A
Grooves N/A
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire 20 rounds per minute


Type Separate
Projectile Types and Weights HE: 52 lbs. (23.5 kg)
Bursting Charge N/A
Projectile Length N/A
Propellant Charge N/A
Muzzle Velocity 2,790 fps (850 mps)
Working Pressure N/A
Approximate Barrel Life N/A
Ammunition stowage per gun N/A


Range with 52 lbs. (23.5 kg) HE
Elevation Distance
45 degrees 20,890 yards (19,100 m)
AA Ceiling about 9,800 feet (9,000 m)

Mount/Turret Data

Designation Twin Turrets: Oland (2) and Östergötland (2)
Weight about 67 tons (68 mt)
Elevation -10 / +80 degrees
Elevation Rate N/A
Train about +150 / -150 degrees
Train Rate N/A
Gun recoil N/A


Data from:

  • "Jane's Pocket Book 9: Naval Armament" edited by Denis Archer
  • "Destroyers of World War Two" by M.J. Whitley