ITALIAN AND FRENCH EXPLOSIVE ORDNANCE |
Chapter 2 |
ITALIAN BOMB FUZES |
Type B and V - Mechanical Impact Nose Fuzes |
Data |
Bombs used in |
|
Type B |
160-kg Antisubmarine |
Type V |
1-kg and 2-kg Incendiary |
Fuze used with |
Alone |
Over-all length |
|
Type B |
8.1 in. |
Type V |
8.3 in. |
Over-all length of vanes |
|
Type B |
7.5 in. |
Type V |
5.7 in. |
Width of fuze body |
|
Type B |
5.5 in. |
Type V |
2.7 in. |
Description |
These fuze have a domeshaped cap of which the vanes are an integral part. The outer shoulder or flange is notched to receive a spanner wrench in tightening the fuze. Be-neath this shoulder is the threaded protion of the fuze body which screws into the nose-fuze pocket of the bomb. The striker is threaded at the top to receive the cap. The stri-ker is held in place by a bell race riding in an annular groove in the striker near the top. The striker has two firing pins. The striker is held from the detonators by shear washers and the steel balls; there are no creep springs. |
Operation |
The safety pin is withdrawn when the bomb is released. The vanes rotate in flight and fall off; the steel balls fall away, thus releasing the striker. Upon impact, the striker is forced down, shearing the shear washer and bringing the firing pins in contact with the detonators, which fire the booster that is internally threaded in the base of the fuze. |
Figure 40 |
Figure 41 |
|