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Surface Vessel Weapon System 20F2 20mm gun system GIAT/Nexter 20mm Modèle F2 autocannon |
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The 20 mm modèle F2 gun is a naval
defence weapon used by the French Navy. It was developed from the
GIAT M693. It fires the 20x139 mm round originally developed for the
Hispano-Suiza HS.820 series. The need for a newer 20 mm defence cannon than the Oerlikon 20 mm cannon began to grow noticeably during the 1980s. The companies DCN and GIAT (now Nexter) were contracted to design the F2 20 mm cannon, essentially a navalised version of the M693 gun used by the French Army, and sold for export. The 20 mm F2 is a mounted monotube gun, with two 150-cartridge boxes on each side of the piece. An electrical control system allows for a choice of three modes of fire: single shot, eight-shot burst, or free fire. There is an electrical trigger in the right hand of the gunner. A manual selector allows the gunner to change the box feeding the weapon during the firing, making mixed firing available. After each shot, the empty cartridge is ejected from beneath the weapon. The gun is manoeuvred by the body of the gunner, who is attached to the weapon. Firing is guided through the same optical visor as used with the Bofors 40 mm gun and the Oerlikon 20 mm cannon. Mass: 332 kg (732 lb) (without ammunition) Caliber: 20 x 139mm Action: Gas unlocked, delayed blowback Elevation: -15° to +65° Rate of fire: 720 round/min Muzzle velocity: 1050 m/s (3400 ft/s) Effective range: 1500 m (4900 ft) against aerial targets source: wikipedia |
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Weapon Systems
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