U.S.N.B.D. - BRITISH BOMBS AND FUZES; PYROTECHNICS; DETONATORS |
GENERAL PURPOSE BOMBS |
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BRITISH BOMB |
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FUZING |
Nose Pistol No. 33 Mk I. |
40 LB. G.P. |
COLOR & MARKINGS |
Dark green overall; ½ red | |
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band 1" from nose; 1" light | |
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green band 5½" from nose. | |
TAIL NO. |
(Parachute) |
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OVERALL LENGTH |
27.25" |
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BODY LENGTH |
15.90" |
Mks I, II, III |
MAX. BODY DIAMETER |
Mk. I: 5.01" |
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II & III: 5.05" |
(Service) |
WALL THICKNESS |
0.47" |
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TAIL LENGTH |
11.4" | |
TAIL WIDTH |
4.88" | |
TOTAL WEIGHT |
38.5 lb. | |
CHARGE/WEIGHT RATIO |
17% |
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BODY CONSTRUCTION: |
Cast steel body, nose end fitted with an exploder container which is screwed and cemented in position and locked by a locking screw. Exploder container is threaded to take the pistol. Rear end of bomb body is closed; reduced in diameter to form a spigot with a central boss, which is drilled and tapped to receive an eyebolt to secure the parachute tail unit to the body. |
TAIL CONSTRUCTION: |
Parachute tail unit consists of a cylindrical strut attached to the rear end of a tail tube by four fins. The parachute is packed in a fabric cylinder which is closed at its rear end and fits inside the tail tube. The rear end of the fabric cylinder is connected by pilot lanyards to a flanged cover which fits loosely in the cylindrical strut and is re-tained in position, closing the rear end of the tube, by a wire transit clip. |
SUSPENSION: |
Mk I: |
Normally carried 6 in the 250 lb. Small Bomb Container, through limited number have single suspension lug. |
Mk II: |
Normally carried 6 in the 250 lb. Small Bomb Container; may be suspended from a band around body. |
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Mk III: |
Single lug welded to body for use when carried on Light Series bomb carrier. Can be loaded 6 into 250 lb. Small Bomb Container. |
EXPLOSIVE COMPONENTS: |
Detonator: | (See Appendix I, page 309) |
Exploder: | T.N.T. and C.E. retained by a waxed felt washer. | |
Filling: | Mk I - 6.3 lb. Amatol (80/20). | |
Mk II - 6.5 lb. T.N.T. | ||
Mk III - 6.5 lb. Amatol (60/40). |
REMARKS: |
Usually used as fragmentation bomb, and is identical with the 20 lb. parachute frag-mentation bomb except for size. |
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