Bae Systems Bofors Ab

Lars-Goran Bjorn

Ulf Palmlöv

Per Trulsson

Erik Nygård

A method for direction limitation of a firing system. A first calculating unit controls the firing system and knows direction limitation positions. An elevation of the firing system and a traverse of the firing system are measured. A position of the firing system is calculated in the first calculating unit based on the elevation and traverse. The position of the firing system is calculated in a second calculating unit based on the elevation and traverse. The calculated positions of the firing system are compared with direction limitation positions. It is decided whether the firing system is positioned outside the direction limitation positions. Also, a direction limitation system for a firing system.

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Karlskoga, Sweden

Lars-Goran Bjorn