BTM-3
BTM-3 (Russian: БТМ – Быстроходная транчейная машин) is a Soviet-era trenching machine.[1]
It features a large rotor with buckets at its back, which unloads dug soil to create parapets one-and-a-half feet tall both front and back.[1] It is said to be able to cut straight, zigzagging or curved trenches; these can be either three-and-a-half or five feet deep (ca. 1–1.5 m), while the width at the bottom is about two feet (ca. 60 cm).[1]
It can allegedly dig half a mile per hour (ca. 800 m/h), even through frozen soil.[1][2]
References
- ↑ 1.0 1.1 1.2 1.3 Taylor, Adam; Ledur, Júlia; Ebel, Francesca; Ilyushina, Mary (3 April 2023). "A web of trenches shows Russia fears losing Crimea". Washington Post. Retrieved 17 April 2023.
- ↑ Hernandez, Marco; Holder, Josh (14 December 2022). "Defenses Carved Into the Earth". New York Times. Retrieved 17 April 2023.
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