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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: |
500 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" from nose; 1" light green band |
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8" from nose. |
Mks IIC, IIIC, & V (Service) |
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TAIL NO. |
Mks II & III - No. 1 Mk I |
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Mks IIC & IIIC - No. 4 Mk I |
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Mk V - No. 11 Mk I |
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No. 27 Mk I |
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OVERALL LENGTH |
62" | |
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BODY LENGTH |
41.8" | |
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MAX. BODY DIAMETER |
11.5" | |
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WALL THICKNESS |
1.22" - 1.32" (at max. diameter) | |
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0.82" - 0.92" (Minimum thickness, beginning 23" aft of nose) | |
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TAIL LENGTH |
No. 6 Mk I - 21" | |
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No. 11 Mk I - 20.4" | |
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No. 27 Mk I, II - 9.24" | |
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TAIL WIDTH |
11.5" | |
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TOTAL WEIGHT |
490 lbs. | |
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CHARGE/WEIGHT RATIO |
18% |
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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 equi-spaced slots to receive 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. 27 Mks I, II – Short type tail unit, arming vanes protruding beyond strut and fins. |
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No. 11 Mk I – Tail cone with a cylindrical strut attached by four fins. Attached to body by four spring clips. Arming spindle enga-ges fork in tail pistol to arm it. |
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No. 1 Mk I – (Used on Mks II & III) No spring clips. |
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No. 4 Mk I – (Used on Mks IIC & IIIC) 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 COMPONENTS: |
Detonators: |
(See Appendix I, page 309) |
| Exploders: |
C.E. & T.N.T. (Mks II - IV); C.E. only (Mk V). There is no separate layer of T.N.T. around the exploder as in the 250 lb. S.A.P. Mk V. |
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| Filling: |
Mks II - IV – 90 lbs. T.N.T. |
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Remarks: |
(1) |
No. 30 Tail Fuze has left hand threads on securing ring. |
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Use of the No. 37 Tail Pistol is unikely but if used, tail fins usually painted red. |
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(3) |
Mk I is very old and will not be found; Mk IV was never fil-led, though manufactured. |
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