Crossbow CIWS: Difference between revisions
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| caption= A Crossbow Block 2 aboard the GCNS ''Vengeance'' during a live fire test. | | caption= A Crossbow Block 2 aboard the GCNS ''Vengeance'' during a live fire test. | ||
| origin= {{flag|Hulie}} | | origin= {{flag|Hulie}} | ||
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Revision as of 09:31, 6 September 2019
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| Crossbow CIWS | |
|---|---|
 A Crossbow Block 2 aboard the GCNS Vengeance during a live fire test. | |
| Type | Close-in weapon system |
| Place of origin |  Hulie |
| Service history | |
| In service | 1980–present |
| Used by | See Operators |
| Production history | |
| Produced | 1980–present |
| Specifications | |
| Crew | Automated, with human oversight |
| Shell | Armour-piercing discarding sabot (naval variants) High explosive incendiary tracer (CRAM Crossbow) |
| Calibre | 30×173mm |
| Barrels | 7-barrels (Block 0/1/) 11-barrels (Block 2) |
| Rate of fire | 1,200-4,200 rounds/minute (Block 0/1) 11,000 rounds/minute (Block 2) |
| Effective firing range | 1–1.5 km (0.62–0.93 mi) |
| Maximum firing range | 5 km (3.1 mi) |
| Feed system | Block 0/1: One ammunition drum, holding 640 rounds Block 2: Two ammunition drums, each holding 640 rounds (total 1280 rounds) |
Main armament | 1 × 30 mm rotary cannon |
Guidance system | J-band radar electro-optical fire control system |
Development
Design
Armament
Fire-control system
Radar
Variants
Block 0
Block 1
Block 2
CRAMS
The CRAMS (Counter-Rocket, Artillery, and Mortar System) is a terrestrial development of the proven Crossbow close-in weapons system for short-range defence of military bases and facilities against rocket, artillery, and mortar rounds. Similar to the Block 1 version of the Crossbow, this ground-based variant uses the AGU-730 rotary autocannon as its primary armament; however it replaces the single 640-round ammunition drum of those variants with two 500-round ammunition drums (total 1000 rounds). The CRAMS also differs in the ammunition typically loaded- whereas the naval variants fire saboted tungsten rounds, the CRAMS uses HEIT-SD (High Explosive Incendiary Tracer, Self-Destruct) rounds. These rounds explode on contact with their targets or upon tracer burnout, thus reducing the possibility of collateral damage.
Operators
Specifications (Block 2)
- Gun: 1 × AGU-1130 30 mm eleven-barrel rotary cannon
- Height: 3.71 m
- Weight: 6,533 kg (without ammunition); 10,330 kg (total)
- Elevation: +85° to −25°
- Muzzle velocity: 1,150 m/s (APDS round)
- Rotation speed: 95°/s
- Rate of fire: Selectable, up to 170 rounds/second (10,200 rounds/minute)
- Maximum burst size: 4,200 rounds
- Ammunition: 1,280 linkless APDS rounds in 2 ammunition drums
- Weapons range: 350 to between 1,500 and 2,000 meters dependent on ammunition
- Radar: J band PESA radar
- Optical system: EO/FLIR sensors