PT Mi-K mine

The PT Mi-K is a Czechoslovakian metal-cased anti-tank blast landmine. The mine uses a metal grid instead a pressure plate, this gives it resistance to overpressure. The mine is no longer produced, but is found in Afghanistan, Cambodia, Eritrea, Namibia, Nicaragua and the Western Sahara.

Description

The mine has a circular metal case inside which is the doughnut shaped main charge, in the centre of which the fuse is inserted. On top of the mine is a metal pressure grid. The grid is held in place by a thin metal wall. Sufficient pressure on the grid causes the wall to collapse sideways, allowing the grid to press down on a plunger triggering a 3.5 oz (0.1 kg) Toul (Tetryl) [1] booster charge, detonating the mine.

The mine can be fitted with two main fuzes, the RO-5 and the RO-9 fuse. The RO-5 fuse may be fitted with an RO-3 anti-lifting device, which will trigger the mine if it is raised.

Specifications
  • Weight: 7.2 kg
  • Explosive content: 5 kg of TNT
  • Diameter: 300 mm
  • Height: 102 mm
  • Activation pressure: 330 kg

References
  • Jane's Mines and Mine Clearance 2005-2006
  1. TM-5-280 Foreign Mine Warfare Equipment.
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