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| ITALIAN AND FRENCH EXPLOSIVE ORDNANCE |
| Chapter 9 |
| FRENCH BOMB FUZES |
| Mechanical Time Fuze – V.M. |
| Data |
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Bombs used in |
Older Type 10-kg Parachute Flare |
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Fuzes used with |
Alone |
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Over-all length |
5.2 in. (with booster) |
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Over-all length of vanes |
4.2 in. |
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Width of fuze body |
1.15 in. |
| Description |
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The fuze has 28 arming vanes secured to a striker. The fuze body is cylindrical, and ex-ternally threaded to screw into the flare nose-piece. A brass fitting holds the detonator in the fuze base. The booster holder screws onto the base. The split safety pin penetra-tes the striker's upper portion to prevent rotating. |
| Operation |
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When the safety pin is withdrawn, the vanes rotate and screw the four- pointed striker down until the threaded portion disengages the threaded section of the fuze. Air pres-sure then forces the four-pointed striker down onto the detonator, which ignites the booster. The time for the fuze to arm and function is 2.5 to 3.0 seconds, corresponding to 100 to 150 feet of air fall. |
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Figure 276 |
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