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M136 AT4 functioning

Does anyone have any info on the fuze or the functioning of the AT4? I have tried google but haven't been able to find anything yet. Thanks.
 
Hi,

This is about the AT4CS.

Translated from French (hope it's accurate) : The fuze is placed in the fin assembly. Comprised of a security system and a piezo-electric system. The security system's rotor is not aligned before firing, to avoid any accidental initiation

FR_ROQ_84AT4bis.jpg


Hope this helps, because that's all I have !

Regards,

S.
 
Thanks. Any idea if there is a piezoelectric crystal in the nose? Or if it is just a BD fuze?


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