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"Demolition Charge for 20-mm AA/AT Gun" from Tactical and Technical Trends

The following report on German demolition charges and procedures for 20-mm flak guns was published in Tactical and Technical Trends, No. 12, November 19, 1942.

[DISCLAIMER: The following text is taken from the U.S. War Department publication Tactical and Technical Trends. As with all wartime intelligence information, data may be incomplete or inaccurate. No attempt has been made to update or correct the text. Any views or opinions expressed do not necessarily represent those of the website.]


A German document captured in the Middle East states that the standard demolition charge for the 20-mm dual-purpose guns (models 30 and 38) consists of 20 special cartridges placed on the magazine feedway and plugged by means of sandbags. These cartridges contain a 3 1/2-ounce picric or TNT charge. The whole charge is fired by two standard "short" demolition sets, each consisting of a detonator and holder, 3 feet 3 inches of safety fuze, an igniter adapter, and an igniter. These demolition sets have a delay of 100 seconds. The two igniters are fired simultaneously.

Double ignition is provided in order to lessen the chances of a misfire.


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