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Rheinmetall Oerlikon Millennium Gun | |
---|---|
Type | CIWS |
Place of origin | Switzerland |
Service history | |
In service | 2003–present |
Used by | Danish Navy Venezuelan Navy Indonesian Navy |
Production history | |
Designed | 1995 |
Manufacturer | Rheinmetall Air Defence, Oerlikon Contraves |
Specifications | |
Mass | Gun: 450 kg Installation: 3300 kg |
Length | 5.5 m |
Width | 2.39 m |
Height | 1.94 m |
Crew | unmanned |
Shell | 35×228mm |
Caliber | 35 mm |
Barrels | Singular |
Action | Gas-operated four-chamber revolver cannon [1] |
Elevation | -15 / +85 degrees rate: 70 degree/s |
Traverse | 360 degrees rate: 120 degrees per second |
Rate of fire | Single shot Rapid Single Shot: 200 rounds per minute Burst (automatic fire): 1000 rounds per minute |
Muzzle velocity | AHEAD: 1,050 m/s (3,400 ft/s) HEI: 1,175 m/s (3,850 ft/s) APDS/T: 1,440 m/s (4,700 ft/s) |
Effective firing range | 3,500–5,000 m (3,800–5,500 yd) [2] |
Feed system | 252 linkless rounds in installation |
The Rheinmetall Oerlikon Millennium Gun or Rheinmetall GDM-008 is a close-in weapon system designed by Rheinmetall Air Defence AG (formerly known as Oerlikon Contraves) for mounting on ships. It is based on the 35/1000 revolver gun land-based air defense system and uses Advanced Hit Efficiency And Destruction (AHEAD) ammunition.
A device at the muzzle end of the barrel measures the exact speed of each round as it is fired, and automatically sets the fuse to detonate the round as it approaches a pre-set distance from the target. Each round disperses 152 small tungsten projectiles [3] [4] weighing 3.3 grams (0.12 oz) each to form a lethal cone-shaped cloud to strike the incoming target. [2] Whilst these are too small to do major damage in themselves, the accumulation of damage from multiple strikes is expected to destroy wings and control surfaces, sensors and aerodynamics, causing the target to crash. Other firing modes are designed to be effective against surface targets such as small fast attack boats.
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The gun's ammunition capacity allows it to engage 10 anti-ship missiles or 20 surface targets. [2]
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