DESCRITPION. The short body of this igniter us usually made of brass and contains a friction composition in which a friction pull wire is cast. (See fig. 250.) The lower end of the friction wire is coiled to provide resistance which serves to ignite the friction compo-sition when the wire is drawn through it. The upper end of friction wire has a loop to which is fastened one end of a cord about 2 1/4 inches long. The free end of the cord is attached to a disk which is within the head. The steel tube attached to the body con-tains a "delay pellet" of compressed powder, which in turn, serves to ignite a fuze or de-tonator.

OPERATION. When the head is unscrewed and the cord is pulled out, the friction wire ignites the friction composition and this in turn ignites the compressed powder delay pel-let in the steel tube. When the delay pellet burns through, it ignites the attached fuze or detonator.

EMPLOYMENT. When used with the "egg" grenade, the igniter head under present prac-tice is colored blue and the body is fitted with a 4 1/2-second delay pellet in the tube. When used with "message tubes" smoke flare, the igniter head at present is colored red and the body is fitted with a 1-second delay pellet in the tube.

Figure 250 – B.Z.E. Friction Igniter Pull Type