Over-all lenght

Supporting plate

Type of filling

Weight of filling

Total weight

The steel projector tube, of 60.3-mm bore, is closed at its upper end by a cap with a rubber sealing washer, which is held in position by clips. At its lower end, it is closed by a machined base plate, driven into position and fixed by dowels, into which a flash tube is screwed.

An igniter adapter is screwed onto the open end of the flash tube. Located in the flash tube is a propeling charge, consists of 0.8 gm. of black powder. Inside the projector tube, the pressed-steel cap, to which is welded the fuze holder, is a push fit over the base plate.

The fuze holder is threaded externally to fit into the mortar bomb and internally to take the holder containing a detonator. The bush containing a delay pellet is screwed into the fuze holder. There is a small distance piece to prevent the detonator from being screwed down onto the delay pellet. The projector tube and flash tube are fixed to a rectangular plate. This plate is designed to fit over the hole, in which the lower part of the mine is placed, to insure that mine remains vertical and also to prevent it from sinking if it is used with a pressure igniter. A winged plug is provided to screw into the tail of the bomb to assist screwing it onto the fuze assembly.

This mine is designed to throw a 60-mm mortar bomb into the air so that it will explode at a height of between 1 ft. 7 in. and 6. ft. 6 in. The flash from the cap in the igniter fires the propelling charge. The gases produced from this charge expand into the space in the base of the projector tube and throw up the pressed-steel cap together with the mortar bomb screwed to it. At the same time, the delay pellet is ignited and, after a de-lay of about 1/5 second, the detonator and the bomb are exploded.

Figure 277
60-mm Model 1939 – Anti-Personnel Mine