1130 CIWS is a kind of close in weapon system (CIWS) using 11 tube 30mm caliber rotary rapid fire gun. It is installed on the base of automatic turret, and equipped with radar, optical and infrared tracking system. It can launch 30 * 165mm caliber machine gun shells used by 730 near defense gun with 1000 bullets.
It is equipped with 11 gun barrels and two bomb chambers. The firing speed of the 1130 CIWS is about 2.62 times that of the 730 model. It can lock 48 or more targets at a time. The maximum fire power is 11000 per minute, or about 166 per second. This automatic weapon is controlled by radar. Under the control of software, it can automatically shoot at the incoming target. After years of hard research and development, 1130 CIWS have been installed in a row, further improving the shipborne air defense system of the Chinese navy.
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