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| U.S.N.B.D. - BRITISH BOMBS AND FUZES; PYROTECHNICS; DETONATORS |
| S.A.P. AND A.P. BOMBS |
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BRITISH BOMB |
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FUZING: |
250 LB. S.A.P. |
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Mks II-IV - No. 30 Tail fuze. |
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Mk V - Tail Pistols No. 28 or No. 30 |
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COLOR & MARKINGS: |
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Dark green overall; ½" white band 3" from nose; |
Mks II & III (Obsolete) |
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½" red band 3-½" from nose; 1" light green band |
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6.5" from nose. |
Mks IIC, IIIC, & V (Service) |
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TAIL NO. |
Mks II & III - No. 1 Mk I |
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Mk V - No. 10 Mk I |
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OVERALL LENGTH |
49" |
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BODY LENGTH |
31.5" | |
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MAX. BODY DIAMETER |
9.2" | |
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WALL THICKNESS |
0.91-0.99" (at max. dia- | |
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meter | |
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0.61-0.69" (minimum thickness beginning 16.8" aft of nose) | |
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TAIL LENGTH |
No. 10 Mk I - 18" | |
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No. 5 Mk I - 18" | |
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TAIL WIDTH |
9.2" | |
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TOTAL WEIGHT |
245 lbs. | |
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CHARGE/WEIGHT RATIO |
17% |
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BODY CONSTRUCTION: |
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Mk V – Forged steel with pointed nose and an open base threaded internally to re-ceive exploder container, which is cemented in position. Base of body threaded extern-ally to receive tail adapter, which is in form of a coned ring with four equispaced slots to re-ceive the spring clips of the tail. |
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Earlier Mks – Similar, with slight variations in the tail adapter. |
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TAIL CONSTRUCTION |
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No. 10 Mk I – Tail cone with a cylindrical strut attached by four fins. Attached to body 4 spring clips. Arming spindle engages fork in tail pistol to arm it. |
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No. 1 Mk I – (Used on Mks II & III bombs) No spring clips. |
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No 3 Mk I – (Used on Mk IIC, Mk IIIC bombs) Spring clips. |
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SUSPENSION: |
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Single suspension lug secured to body by four screws. |
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EXPLOSIVE COMPONETNS: |
Detonators: |
(See Appendix I, page 309) |
| Exploders: |
C.E. pellets (Mk II - IV), H.E. (Mk V). On Mk V there is a seperate layer of T.N.T. around the exploder. |
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| Filling: |
Mk V, 40.5 lbs. T.N.T./Beeswax. |
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Mk II - IV, 41.5 lbs. T.N.T. |
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REMARKS: |
(1) |
No. 30 tail fuze has left hand thread on securing ring. |
| (2) |
Use of the No. 37 tail pistol is unikely. Tail fins usually paint-ed red when time pistol No. 37 is used. |
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(3) |
Any mark may be found fitted with copper driving band for proof firing from B.L. 9.2" Howitzer. |
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