ITALIAN AND FRENCH EXPLOSIVE ORDNANCE |
Chapter 4 |
ITALIAN PROJECTILE FUZES |
Percussion Nose Fuze M10 (Guerritore) P.C. and M (Guerritore) M.E.G.C. |
Data |
Projectile used in |
M10 p.c. |
Small Caliber H.E. Shell |
M (Guerritore) m.e.g.c. |
Medium and Lager Caliber M10 Shell |
Over-all length |
Unknown |
Maximum Diameter |
Unknown |
Thread diameter |
Unknown |
Description |
M10 (Guerritore): This fuze consists of a brass body which is closed at the nose by a cap holding the firing pin and closed at the base by a brass plug holding a gunpowder pellet. In the center of the fuze is the detonator holder, which contains the detonator at the top and a gunpowder flash charge at the bottom. A creep spring and a split ring keep the detonator of the needle. An inertia ring, which is held by a spring, surrounds the de-tonator holder at the top. A safety pin, which is removed before firing, is also included. |
M (Guerritore): This fuze is similar in design and function to the M10 (Guerritore). It dif-fers, however, in dimensions, since it is intended for use in projectiles of medium and large caliber. |
Operation |
On firing the inertia ring sets back and compresses its spring. During deceleration, the split rin opens, as a result of centrifugal force, to such a diameter as to allow the deto-nator holder to be held away from the firing pin by only the creep spring. |
Figure 202 |
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