PTMi-D1M Anti-tank mine laying system STV Group IDET 10106172

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STV manufactures PTMi-D1M anti-tank mines laying system using unguided 122mm calibre rocket.
Czech Company STV manufactures anti-tank mine laying system using unguided 122mm rockets fire from containers mounted on two-wheeled carriage. The 122mm rocket is used to lay mine fields through scattering antitank mines during flight within a range from 500 m up to 3,000 m from the MV- 3 launcher site.
     
Czech Company STV manufactures anti-tank mine laying system using unguided 122mm rockets fire from containers mounted on two-wheeled carriage. The 122mm rocket is used to lay mine fields through scattering antitank mines during flight within a range from 500 m up to 3,000 m from the MV- 3 launcher site.
PTMi-D1M anti-tank mines laying system manufactures by the Czech Company STV Group
     
The container projectile consists of the following main parts:

Rocket motor charged with solid propellants and an igniter. A stabilizer positioned on the rear of the rocket motor has its vanes folded and fixed by a ring. A motor nozzle base is closed by a contact cover, the igniter electric circuit is short-circuited through a contact.

A pin screwed in the motor body guides the projectile inside the launcher tube.

The container is screwed on the rocket motor face. The front part, the cap, includes a connector for setting the self-destruction system that is under a cover during storage and transport. Wires of the connector pass through the piston and are connected to the bottom of the first mine. A coupling connects the container with the rocket motor. Shear pins connect the container and the coupling.

In the container, four antitank mines of PT Mi-D1M type are housed between the piston and the coupling. Inside the container the mines are interconnected by wires used for setting the self-destruction system in the mine column. Each mine contains its own power source the service life of which is 10 years.

A (PCZ-22A) powder time fuze type is screwed into the cap. The fuze bottom includes an ejecting powder charge ejecting the mine from the container. Setting the time in seconds (1 to 22 s) on the scale on the fuze body gives the projectile flight time and also a range where the mines are ejected.