Explosive Projectile Dodac C

Sheet Explosive

Type Classification:

Use:

This cartridge is a high explosive round developed for use in the M120 and M121 120mm mortar system. It is intended for use against personnel and materiel targets, providing for fragmentation and blast effects.

Description:

The complete round consists of a fuze, propellant charge, fin assembly ignition cartridge, and shell body. The shell body made of wrought carbon steel is loaded with Composition B filler. The ignition cartridge has a percussion primer and is assembled to the end of the fin assembly. The propellant charge is contained in four horseshoe-shaped felt fiber containers and assembled around the fin assembly shaft.

Functioning:

When the cartridge is dropped down the mortar tube, the firing pin at the bottom of the tube initiates the percussion primer and charge in the ignition cartridge.

The charge in the ignition cartridge flashes through the holes in the shaft of the fin assembly and ignites the propelling charge. The gases from the burning propellant expand and propel the cartridge out of the mortar tube. The fuze functions on (proximity, on impact, or delay, depending on the fuze setting) and detonates the projectile.

Tabulated Data:

Complete Round:

Assembly drawing number Projectile: Body material---------------

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