Secondary Armament
150 mm-SK-C/28 Middle Turret 150 mm-SK-C/28 End Turret
View right side View right side
View from above View from above

150 mm-SK-C/28 (Secondary Armament)
Gun Characteristics
Designation 150 mm/L55 (5,9") SK C/28
Date of design 1928
Date in service 1934
No. of weapons installed 12
Locations Allways in three double turrets, port and starboard
Gun weight 9.080 kg (20.018 lbs)
Gun length oa 8,200 m (323 in)
Length of bore 7,816 m (307,7 in)
Number of grooves 44
Depth of grooves 1,75 mm
Width of grooves 6,14 mm
Length of rifling 6,588 m (259 in)
Chamber volume 21,7 dm³ (1,324 in³)
Rate of fire 6 - 8 rounds per minute
Ammunition
Type Cartridge - Separate
Projectile types and weights AP - 45,3 kg (99,87 lbs)
HE, nose fuzed - 45,3 kg (99,87 lbs.)
HE, base fuzed - 45,3 kg ( 99,87 lbs.)
Illum - 41 kg (90,4 lbs)
Bursting charge AP - N/A
HE, nose fuze - 3,89 kg (8,6 lbs.)
HE, base fuze - 3,06 kg (6,7 lbs.)
Projectile length AP - N/A
HE, nose fuze - 65,5 cm (25,8 in)
HE, base fuze - 67,9 cm (26,7 in)
Propellant Charge 14,15 kg (31,2 lbs.) RPC/38
Cartridge - 23,5 kg (51,8 lbs)
Propellant charge 14,15 kg (31,2 lbs)
Muzzle velocity AP - 875 meters per second (2.871 feets per second)
HE - 875 meters per second (2.871 feets per second)
Illum - N/A
Working pressure 3.000 kg/cm² (19 tons/in²)
Approximate barrel life 1.100 rounds
Ammunition Inventory 1.800 rounds in total
105 rounds per gun (designed)
Range
Elevation with 45,3 kg (99,87 lbs.) HE Shell
Range at 35° 22.000 m (24.060 yards)
Range at 40° 23.000 m (25.153 yards)
Mount/Turret Data
Weight Twin Mounts:
116.250 kg (256.287 lbs.) including range finder
110.000 kg (242.500 lbs.) without range finder
108.000 kg (238.100 lbs.) without range finder and short barbette
Elevation -10°/+40°
Elevation rate 8° per second
Train About -80°/+80°
Train rate 9° per second
Gun recoil 37 cm (14,6 in)
Loading angle About +3°