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| U.S.N.B.D. - BRITISH BOMBS AND FUZES; PYROTECHNICS; DETONATORS |
| CLUSTER PROJECTILES |
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BRITISH BOMB |
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FUZING |
Nose Fuze No. 848, 849, |
CLUSTER PROJ. |
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or 860, Mk II. | |
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COLOR |
Dark green overall | |
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CONTENTS |
Four 4.5" flares | |
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TAIL NO. |
No. 70 Mk. I |
No. 2, Mk. I |
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OVERALL LENGTH |
33.25" |
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MAX. BODY DIAMETER |
12.35" |
(Service) |
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TOTAL WEIGHT |
140 lbs. (approx.) |
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DESCRIPTION: |
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This cluster is designed to hold four 4.5" flares. The components of the cluster con-sists of a nose unit, four flat caps (which replace the dome-shaped tail closing caps of the flares), a T-bar, a panel locating plate, a tail plate, two clamping bars, zwo panels, and a tail unit. |
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When the cluster projectile is assembled, the four flares are loacted between the nose unit and the panel locating plate, and the assembly is held together by the clamp-ing bars. The tail plate is also retained in position by the clamping bars, and the tail unit is secured to the tail plate by a nut and washers fitted to one end of a tie-rod whose other end is screwed into the tail plate. The panels enclose the flares, and the T-bar, which positions the panel locating plate and the tail plate relatively to the nose unit, carries a suspension lug by which the cluster projectile is attached to a bomb carrier. |
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SUSPENSION: |
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This cluster is designed for suspension in British aircraft only. A single suspension lug ist fitted to the T-bar of the cluster. |
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FUNCTIONING: |
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When the fuzed cluster projectile is released "live" from the aircraft, the fuze is set in operation. When the gunpowder in the fuze magazine explodes, the flash ignites the gunpowder contained in the small bag in the fuze adapter of the nose unit. The boos-ted flash passes through the six flash tubes, initiates the igniters fitted to the four flares, and fires the gunpowder in the piston housing. |
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The gases formed by the ignition of the gunpowder in the piston housings force the pistions out of the housings, shearing the brass shear pins, and so causing the clamping bars to swing outwards on the U-bolts. This outward movement of the clamping bars releases the nose unit, the panels, and the initiated flares. The parts of the disinte-grated cluster fall separately, and the flares, intiated by their igniters, function in the normal manner. |
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REMARKS: |
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1. In addition to normal stencilling in English, propaganda messages in German are stencilled in white paint on the sides of the panels. |
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