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| GERMAN EXPLOSIVE ORDNANCE - PROJECTILES AND PROJECTILE FUZES |
| CHAPTER 6 |
| GERMAN PROJECTILES FUZES |
| A.Z. 23 NB (PREßSTOFF) |
| EMPLOYMENT: |
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Gun |
Projectile |
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s.F.H. 18 |
15-cm Gr. 19 Nb. |
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s.F.H. 36 |
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lg.s.F.H. 13 |
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lg.s.F.H. 13/02 |
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s.F.H. 15 (t) |
15-cm Gr. 19 Nb. (t) |
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s.F.H. 25 (t) |
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s.F.H. 37 (t) |
| (See fig. 598.) |
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Figure 598 – A.Z. 23 Nb. (Preßstoff) |
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DESCRIPTION: This fuze combines graze and direct action and carries a wooden hammer positioned over a steel striker. The striker is held off the detonator by centrifugal seg-ments which bear against a flat coil spring and which, in turn, are held in position by a safety bolt. |
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ACTION: After the projectile is fired, the safety bolt moves back on its spring therbey allowing the centrifugal segments to pivot outwards against the flat coil spring due to the centrifugal force set up by the spin of the projectile in flight. The striker is now rest-ing on the firing pin spring and on impact moves forward to fire the detonator. The flash from the detonator passes through the flash channel to the detonator in the gaine. |
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