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ALLIED BOMBS AND FUZES |
| BRITISH BOMBS - SECTION 2 |
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Bomb Data |
File No.: 1254.4 |
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Nationality: British |
Information Data: October 1942 |
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SIZE: |
250 lb. Mark IV |
TYPE: |
G.P.-H.E. |
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500 lb. Mark IV |
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TARGET: |
General Bombardement |
FUZES: |
NOSE: |
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TAIL: |
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DATA |
250 lb. Mark IV |
500 lb. Mark IV |
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1 |
OVERALL LENGTH |
56.0 inches |
70.6 inches |
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2 |
LENGTH OF BODY |
28.3 inches |
37.2 inches |
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3 |
DIAMETER OF BODY |
10.2 inches |
12.9 inches |
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4 |
THICKNESS OF WALL |
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5 |
MATERIAL OF WALL |
Steel |
Steel |
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6 |
CONSTRUCTION OF BODY |
The body of these bombs is a streamlined steel casting or forging with threaded nose and tail adapters which hold the exploder tubes (not a compete tube as in other G.P. Mk. Series bombs). |
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7 |
TYPE OF SUSPENSION |
These bombs are suspended horizontally. |
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8 |
CONSTRUCTION OF SUSPENSION LUG |
Eyebolt at center of gravity of bomb, attached with cap screws. |
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9 |
COLOR & MARKINGS ON BOMB AND TAIL |
The body and tail assembly is painted yellow with a green band at the largest diameter, and a red band around the nose. The symbols "Amatol 60/40" my be stencilled in three places below the green band. |
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10 |
LENGTH OF TAIL |
27.7 inches |
33.4 inches |
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11 |
WIDTH OF TAIL |
10.2 inches |
12.9 inches |
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12 |
MATERIAL OF TAIL |
Mild steel |
Mild steel |
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13 |
CONSTRUCTION OF TAIL |
The tail assembly consists of: a cone which fits over the base plate and is secured to it by four spring clips; four vanes rivetted to the cone; and a cylinder rivetted to the vanes. |
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14 |
WEIGHT OF TAIL |
9.0 lbs. |
16.0 lbs. |
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15 |
TYPE OF FILLING |
The filling of these bombs is Amatol 60/40. |
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16 |
WEIGHT OF FILLING |
67.0 lbs. |
143.0 lbs. |
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17 |
TOTAL WEIGHT OF BOMB |
217.0 lbs. |
439.0 lbs. |
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18 |
CHARGE/WEIGHT RATIO |
30% |
34% |
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