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How To Make A Drone-Proof Porcupine Tank
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When Russian troops first realized their tanks and other armored vehicles were vulnerable to Ukraine’s explosive first-person-view drones, shortly after Russia widened its war on Ukraine in February 2022, they doubled down on a form of improvised armor that already protected some vehicles from rocket-propelled grenades.
The resulting “cope cages” — metal frames supporting slats or mesh — were awkward, ugly and, to many observers, frankly hilarious.
But they worked. Especially in conjunction with drone-grounding radio jammers. “If a tank is spotted with cages and a jammer, it takes at least double or triple the usual number — six to eight drones — to disable it,” one Ukrainian drone operator told Ukrainian-American war correspondent David Kirichenko. “We used to laugh at their cages, but now we use them, too.”
Three years later, the Russians are on their fourth generation of do-it-yourself anti-drone armor. And now we know exactly how the latest DIY armor is made. In short, take around three tons of heavy-duty aluminum cable, unwind short sections of it and weld it to a tank’s cope cage.
The result is a “hedgehog” tank with thousands of protruding metal bristles. The bristles detonate incoming FPVs before they can strike a tank’s hull. “This thick and heavy system is not impregnable, of course, but it does significantly increase the number of Ukrainian FPVs required to destroy the tank,” Canadian drone expert Roy wrote.
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