Rheinmetall Oerlikon Millennium Gun

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Rheinmetall Oerlikon Millennium Gun
Oerlikon Millennium 35 mm Naval Revolver Gun Systems on HDMS Absalon (L16).jpg
Oerlikon Millennium 35mm Naval Revolver Gun System aboard the HDMS Absalon (F341)
Type CIWS
Place of originSwitzerland
Service history
In service2003–present
Used by Danish Navy
Venezuelan Navy
Indonesian Navy
Production history
Designed1995
Manufacturer Rheinmetall Air Defence, Oerlikon Contraves
Specifications
MassGun: 450 kg
Installation: 3300 kg
Length5.5 m
Width2.39 m
Height1.94 m
Crewunmanned

Shell 35×228mm
Caliber 35 mm
BarrelsSingular
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 range3,500–5,000 m (3,800–5,500 yd) [2]
Feed system252 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.

Contents

Description

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.

The weapon is designed to be controlled by an external fire-control system using either radar or electro-optical trackers. It is fitted with an optional onboard observation TV camera which relays imagery to an operator console from which it can also be aimed and fired in an emergency mode. The computer system uses an open architecture and is claimed to be compatible with many existing fire control systems.

The gun's ammunition capacity allows it to engage 10 anti-ship missiles or 20 surface targets. [2]

Users

Flag of Denmark.svg  Denmark
Flag of Indonesia.svg  Indonesia
Flag of Venezuela.svg  Venezuela

Future Users

Flag of Bulgaria.svg  Bulgaria
Flag of Indonesia.svg  Indonesia
Flag of Saudi Arabia.svg  Saudi Arabia

Flag of Colombia.svg  Colombia


See also

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References

  1. The Naval Institute Guide to World Naval Weapons Systems, 1997-1998 - Norman Friedman
  2. 1 2 3 CIWS: The Last Ditch Defense
  3. The 35mm Rheinmetall Oerlikon Millennium Gun 27 May 2015
  4. "Rheinmetall Defence". Archived from the original on 24 April 2012. Retrieved 15 May 2014.
  5. "Colombian Navy awards contract to COTECMAR for first PES frigate, ocean patrol vessel, and logistic support ship". Janes.com. 30 November 2022. Retrieved 19 November 2023.
  6. Webinfomil (23 September 2022). "Colombia eligió los buques SIGMA 10514 de DAMEN como sus nuevas fragatas multimisión que serán construidas en Cotecmar" . Retrieved 19 November 2023.