The TM 65 (Telamiina 65) is a circular Finnish
minimum metal anti-tank blast mine. It is broadly based on the Russian ''
TM-62 mine
The TM-62 is a Soviet anti-tank blast mine made in many variants. It has a central fuze and typically a explosive charge, but the variants vary greatly in detail. The mine can be laid manually or automatically from a mine laying machine includ ...
''. The mines body is made from a thin shell of
fibreglass
Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass clo ...
over a cast block of explosive, with a central fuze well that holds the pressure fuze. The original ''TM 65'' used a ''US-65'' fuze as used in the
''SM-65 anti-personnel mine'', the later TM 65 77 uses a pressure fuze similar to the Russian ''MV-5'' fuze called ''Painesytytin 77''.
The fuze is covered with a plastic pressure plate, giving it an activation pressure of 150 to 300 kg. However, if this is not installed, the mine will activate with a pressure of a few kg. The mine also has a secondary fuze well on the side for the installation of anti-handling devices or daisy chaining several mines.
Specifications
* Diameter: 320 mm
* Height: 110 mm
* Weight: 10 kg
* Explosive content: 9.5 kg of cast TNT, plus a total of 61 g of Hexogen (A RDX/TNT mix) in the fuze and booster.
* Operating pressure: 150 to 300 kg
Variants
* TM 65 - original version fitted with US-65 fuze
* TM 65 77 - variant fitted with MV-5 style fuze, the PS 77
References
* ''Jane's Mines and Mine Clearance 2005-2006''
Finnish anti-tank mines
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