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| GERMAN EXPLOSIVE ORDNANCE - BOMBS, BOMB FUZES, ROCKET, LAND MINES, GRENADES AND IGNITER |
| Chapter 2 |
| GERMAN FUZES |
| (28) B2 AND (28) B6 – ELECTRICAL IMPACT FUZE |
| DATA: |
| Bombs Used in: H.E. bombs. |
| Color: Dark grey; yellow paint on shoulder. |
| Material: Aluminum. |
| Possible Actions: (a) Instantaneous. (b) 0.06 - 0.08 sec. delay. |
| Principal Markings: |
| El.A.Z. (28) B2. |
| El.A.Z. (28) (B)2. |
| El.A.Z. (28) B6. |
| Secondary Markings: |
| AA 1940 bmv 1940. |
| AA 1941 bmv 1941. |
| FC 1940 bmv 1942. |
| c 1940 Rh.S. 1940. |
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DESCRIPTION. Two firing circuits are employed in these fuzes, both charged through the B plunger. The impact switch closing the instantaneous firing circuit is an inertia bolt switch and operates only against resistance targets; i.e., upon deceleration of about 5,000 g. |
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Safety switching is accomplished through depression of the A plunger, which switches off both arming circuits. (See fig. 162.) |
| ARMING TIMES: |
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Level Flight |
Diving
Flight (240 v.) |
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| Instantaneous: | 1.8 - 3.2 sec. | 1.4 - 2.2 sec. | |
| Short delay: |
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REMARKS. 1. Type 2 construction. 2. These fuzes have also been recovered with the charging condenser connected to the A plunger. 3. An inherent delay of about 0.01 se-cond is present in the instantaneous circuit. |
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Figure 162 – (28) B6 Electrical Impact Fuze |
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