U.S.N.B.D. - BRITISH BOMBS AND FUZES; PYROTECHNICS; DETONATORS |
FRAGMENTATION BOMBS |
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BRITISH BOMB |
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FUZING |
Nose Pistol No. 29, 34, 38, |
20 LB. FRAG. |
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or 45, or |
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Nose Fuze No 873 | |
COlOR & MARKINGS |
Dark green overall; ½" red |
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band around nose, 1" light |
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green band approx. 4" from |
(Stabilized) |
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nose |
Mk I & II (Obsolescent) |
TAIL NO. |
Mk III (Service) |
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OVERALL LENGTH |
21.8" |
Mk IV (Obolescent) |
BODY LENGTH |
11.9" |
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MAX. BODY DIAMETER |
3.95" | |
WALL THICKNESS |
0.35" | |
TAIL LENGTH |
9" | |
TAIL WIDTH |
3.83" | |
TOTAL WEIGHT |
20 lbs. (approx. with pistol) | |
CHARGE/WEIGHT RATIO |
15% |
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BODY CONSTRUCTION: |
Streamlined one piece cast steel, with nose and open to take exploder container. Rear and reduced to form a spigot for taking tail assembly, with the boss on the spigot tapped and threaded to receive tail securing rod. Exploder container cemented in posi-tion and locked by a locking screw. |
PARACHUTE: |
Cylindrical strut attached to tail cone by four fins. Tail secured to body by a tail rod screwed into a boss on the body spigot, and passing through a threaded adapter on the narrow and of the tail cone. Locking nut and spring washer at both the outer and inner ends of the rod lock it in position. |
Suspension: |
Mk I |
Carried 12 in Small Bomb Containers, or on Light Series bomb carrier if fitted with suspension lug. |
Mk II |
Carried 12 in Small Bomb Containers, or on Light Series bomb carrier if fitted with suspension lug. |
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Mk III |
Suspension lug welded on bomb body at center of gravity for carrying in light Series bomb carrier; can be carried 12 in S.B.C. |
EXPLOSIVE COMPONENTS: |
Detonators |
(See Appendix I, page 309) |
Exploders |
C.E. and T.N.T. pellets (C.E. only being used now). |
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Filling: |
3.3 lb. T.N.T. or R.D.X/T.N.T. (When R.D.X./ T.N.T. is used, a ¼" - 3/8" topping of T.N.T. is put in nose. |
REMARKS: |
(1) |
Small Bomb Container, 160 lb., contains 8 of these bombs; |
Small Bomb Container, 250 lb., will hold 12 of these bombs. |
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(2) |
No longer being manufactured; however, they may be en-countered in the field. Are being replaced by the 8 lb. Frag. |
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(3) |
Mk IV: Exploder system changed to use only C.E. pellets, and special retander tail incorporated. |
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