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| U.S.N.B.D. - UNITED STATES - BOMBS AND FUZES; PYROTECHNICS |
| SECTION I - HIGH EXPLOSIVE BOMBS |
| PART IV - U.S. ARMY-NAVY "AN" SERIES BOMBS |
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DATA: |
1000 lb. | 1600 lb. |
ARMY - NAVY BOMBS |
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AN-Mk 33 | AN-Mk 1 |
1000 & 1600 LB. A.P. |
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OVERALL LENGTH |
73.0 in. | 83.5 in. | |
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BODY LENGTH |
58.0 in. | 69.5 in. | |
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BODY DIAMETER |
12.0 in. | 14.0 in. | |
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WALL THICKNESS |
1.3 in. |
AN-Mk 33 (1000 lb.) |
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TAIL LENGTH |
17.0 in. | 20.5 in. |
AN-Mk 1 (1600 lb.) |
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TAIL WIDTH |
16.0 in. | 20.6 in. |
(Service) |
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TAIL WEIGHT |
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WEIGHTS: |
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1000 lb. AN-Mk 33 | 1600 lb. AN-Mk 1 | |
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Type of Filling |
Explosive D, Cast TNT | Explosive D, Cast TNT | |
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Weight of Filling |
140 lbs. | 215 lbs. | |
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Total Weight |
1025 lbs. | 1590 lbs. | |
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Chg/Wt. Ratio |
14.0% |
14.0% |
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FUZING: |
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Tail : |
AN-Mk 228 (.08 sec. delay) |
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BODY CONSTRUCTION: |
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The bodies are of single piece, forged, machined construction with pointed no-ses, parallel sides and slight boat tailing. The base plate is of the male type. Sus-pension in the Mk 1 1600 lb. design was by means of luge welded to bands, the bands being positioned by grooves on the external bomb surface. The newer de-signs, AN-Mk 1 & Mk 33 are suspended by fittings which screw into holes drilled into the bomb case and secured by bolts. The normal box type tail assembly is used on these bombs. (Introduction, page 37) |
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FILLING: |
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The main filling of these bombs is pressed Explosive "D" oder cast T.N.T. |
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The tail fuze pocket requires the use of the Mk 1 granular T.N.T. auxiliary boos-ter. |
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COLOR AND MARKINGS: |
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Olive drab overall with 1" yellow bands around nose and 1/4" yellow band around center of gravity. Recent production eliminates the 1/4" band. |
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The Mk 1 is grey overall with a yellow disc. |
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REMARKS: |
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The later Mk I bombs were grooved to position the suspension band. Older bombs had a stud which fitted into a hole in the bomb body. |
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