domingo, abril 27, 2008

Sistema Goalkeeper SGE-30 en Fragatas tipo L

Como sistema CIWS las fragatas clase L utilizan el sistema Goalkeeper SGE-30. Este sistema de lucha antimisil esta compuesto por el cañón Hughes Sea Vulcan de 30 mm de 7 cañas, basado en el famoso cañón GAU-8A Avenger, el mismo que utilizan los aviones de ataque a tierra A-10 de la USAF. Tiene una cadencia de fuego de 4200 disparos por minuto con 1190 rondas listas para disparar y un rango de elevación y depresión de 85 y -25 grados respectivamente. Como sistemas de dirección de tiro cuenta con dos radares, un radar de búsqueda rotatorio de banda I, que mide 2,050 x 280 mm y rota a 60 revoluciones por minuto, más un radar de seguimiento en banda I/K.

El Goalkeeper tiene un peso de 6800 kg, capacidad de giro de 360 grados y funciona electrohidráulicamente. Este sistema no necesita intervención humana, siendo completamente automático. Su munición posee una velocidad media de 1020 mt por segundo y puede disparar una variada gama de municiones: TP, HEI, HEISD, API, MPDS. Cada cartucho tiene un peso de 369 gramos, con un rango de letalidad que va desde los 200 mt hasta los 3 km, con una capacidad de disparo de entre 70 a 75 rondas por segundo.

Es de destacar que los sistemas Goalkeeper trasferidos a Chile han sido los primeros y únicos sistemas CIWS de este modelo transferidos usados a una marina extranjera. Esto se debe a varias causas, primero, una interpretación liberal del contrato, en donde especifica la retención de la artillería principal del buque, contratos de reventa controlados por paquetes de armas norteamericanas, y además limites de re exportación de este sistema propuesto por la empresa constructora del sistema de defensa y la Kon Marine.

Autor: Peace Puma Regresa (

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