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| U.S.N.B.D. - BRITISH BOMBS AND FUZES; PYROTECHNICS; DETONATORS |
| HIGH CAPACITY BOMBS |
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BRITISH BOMB |
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FUZING |
Three nose pistols, No. 27, |
8000 LB. H.C. |
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42, or 44 | |
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COLOR & MARKINGS |
Dark green overall; | |
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1" bright red band and | |
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2" light green band around |
Sectional - Mk I & II |
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each of the bomb body |
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section |
(Obsolescent) |
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TAIL NO. |
No. 33 Mk I or No. 52 Mk I |
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OVERALL LENGTH |
133.6" |
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BODY LENGTH |
Front Section - 3' 11.15" |
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Rear Section - 3' 11.75" | |
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MAX. BODY DIAMETER |
38" | |
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WALL THICKNESS |
0.5" | |
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TAIL LENGTH |
No. 33 Mk I - 36.5" | |
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No. 52 Mk I - 64.0" | |
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TAIL WIDTH |
37.8" | |
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TOTAL WEIGHT |
7860 lbs. (Amatex 9) | |
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CHARGE/WEIGHT RATIO |
68% |
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BODY CONSTRUCTION: |
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Bomb complets of two cylindrical sections, each approximately 4' long, 3' 12" diame-ter, connected together by bolts. Front section has domed nose plate welded to body and housing three exploder containers. A flat closing plate at rear is bolted to an end ring, which is fitted with assembly bolts for connecting the two sections. Additional ex-ploder container is fitted in a central bush in rear closing plate. Rear section closed at each end by plate. Forward one welded to a channel ring having holes circumferentially to receive assembly bolts of forward section. Exploder container fits in forward closing plate of rear section, and central exploder tubes extend through both sections. Joining rings are cast in Mk I; fabricated by welding in Mk II. |
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TAIL CONSTRUCTION: |
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No. 33 Mk I – Tail consists of a hollow steel plate cylinder open at the aft end with an angle ring welded or riveted in its forward end, drilled to take the assembly bolts of the body rear section for attaching the tail. Hand clearance holes give access to the assembly bolts when assembling the tail to the bomb. |
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No. 52 Mk I – Tail cone with hand holes for access to securing bolts; cylindrical strut attached to cone by six fins welded to strut and cone. |
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SUSPENSION: |
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Single suspension lug secured by four bolts to steel block pads on channel ring and immediately aft of ring on rear body section 50" from bomb nose. This point represents center of gravity. |
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EXPLOSIVE COMPONENTS: |
Detonators: |
(See Appendix I, page 309) |
| Exploders: |
All exploder containers, and exploders in central tube of both sections, filled with C.E. pellets. |
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Filling: |
5361 lbs. Amatex 9, or 5850 lbs. Torpex 2. |
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REMARKS: |
(1) |
This bomb can be fitted with a cylindrical nose attachment around nose of forward section and protuding around the domed nose to retard bomb in flight. |
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(2) |
This bomb is composed of two regular 4000 lb. M.C. bombs, but of sections approximately 4000 lb. designed especially for it. |
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