Abstract

A passive, multi-layered kinetic countermeasure system is disclosed for mitigating the threat of low-altitude, high-speed first-person view (FPV) kamikaze loitering munitions within confined military environments, including trenches, bunkers, building entryways, and vehicular net tunnels. The Dynamic Gravity-Deployed Rope Barrier (DGRB) system comprises a primary horizontal support line configured to span an opening or structural corridor, from which a plurality of vertically suspended, non-uniform hanging strands depend downward to a lower boundary surface. The vertically suspended strands form a dense, spatial entanglement matrix optimized to strip an intruding aircraft of its freedom of movement through direct, mechanical disruption of rotor blade and propeller rotation. The system architecture utilizes a high-density, multi-row configuration where successive rows are offset laterally or diagonally to eliminate linear flight paths and force sequential propeller-strand impact events. The vertical strands incorporate structural variations—including high-tensile abrasive cores (e.g., steel wire, Kevlar), elastic components (e.g., shape-memory alloys), adhesive coatings, and integrated macro-nodes or terminal weights—to maximize rotational stalling and structural failure of drone frames upon contact. Designed for rapid, modular deployment via spring-loaded canisters, magnetic fixations, or pre-packaged roll-out sheets, the disclosed system establishes an unpredictable, semi-transparent three-dimensional obstruction zone that exploits the visual contrast limitations of sUAV optical cameras while preserving seamless, unhindered ground mobility for personnel and friendly assets.

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Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.

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