Koliko vidim, to je 12 Oerlikon topova složenih u dve vrste po 6 oruđa. Ali opis je tako univerzalan, da kaže sve, a i ništa.
The 'Meroka CIWS' is a Spanish Navy 12 barrelled 20 mm CIWS, using twelve Oerlikon 20 mm/120 guns mounted in 2 rows of 6 guns each. The system's primary purpose is defence against anti-ship missiles, and other precision guided weapons. However it can also be employed against aircraft, ships and other small craft, coastal targets, and floating mines. The weapon is mounted primarily on Spanish naval vessels, from Frigate size and larger.
The term MeRoKa (from German '''Me'hr'ro'hr'ka'none'', meaning ''multi-barrelled gun'') can refer to weapons such as the Nordenfelt gun but is more commonly used refering to this naval CIWS defence system.
Unlike a Gatling gun, the 'Meroka CIWS' uses individual guns firing in salvos, or simultaneously, the barrels are purposely skewed in order to expand the impact area. The guns are mounted in an enclosed automatic turret while the turret is directed by radar, optronic thermal control system.
The original version of the Meroka CIWS was directed by a separate off-mount radar system. This was later changed to an on-mount Lockheed Electronics PVS-2 Sharpshooter I-band radar. The radar is designed to acquire targets at 5,500 yards (5,000 meters), with the Meroka achieving first impact at 1,640 yards (1,500 meters) and destruction of the target at 550 yards (500 meters). Later versions included an optronic targeting system, as a backup in high electronic jamming conditions. More recent modifications included an Israeli designed IR tracker.
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