20.3 cm SK L/60 Naval Gun System
General Information:
Barrel:Monobloc
Loading-pointing operation:Fully automatic
Ammunition:
Rate of fire:12 rds/min
Range:60 km
Ready service complement:75 rounds
Projectile weight:110 kg
Muzzle velocity:995 m/s;
Propellant charge:54 kg, 80 kg w/ steel case
Ammunition length:112 cm
Target Capability:Antiship and shore bombardment
Misfire removal:Automatic
Weight Data:
Gun System (w/o lower hoist):87,000 kg
Gun System and four-flight lower hoist:101,800 kg
Barrel:9,000 kg
Personnel Requirements:
Gun Captain:One
Panel Operator:One
Ammunition Handlers:Four
Above deck:None
Train and Elevation Data:
Elevation:-10°to +60°
Elevation rate:20 °/sec
Train:170° from stow
Train rate:30 °/sec
Power Requirements:
Electrical:Main power from ship supply:
Pneumatic:440 V, 3 phase, 60 Hz
Average (rms) standby load:115 kW
Average (rms) firing load:270 kW
Peak firing load:700 kWGas ejector System:
1300 cm3/min @ 1200 kPa
Maintenance Data:
Operability tests and scheduled maintenance (average daily):2 hours
Barrel life :1,500 rounds
Regunning time:2 hours
System availability (specicifed):> 99%