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| Japanese Explosive Ordnance – Bombs, Bomb Fuzes, Land Mines,
Grenades, Firing Devices and Sabotage Devices |
| Chapter 1 – Section 2 |
| Japanese Navy Bombs |
| Type 3 No. 6 Target Marker Bomb |
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Over-all length: 42 1/4 inches. |
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Length of body: 21 inches. |
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Diameter of body: 9 1/2 inches. |
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Thickness of wall: 1/8 inch. |
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Material of wall: Steel. |
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Type of suspension: Horizontal. |
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Suspension lug: Normal suspension lug. |
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Color and markings: The bomb is grey over all with a red band on the nose and red tail struts. Four longitudinal grooves are painted red. |
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Length of tail: 21 1/4 inches. |
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Width of tail: 13 1/4 inches. |
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Width of tail fins: 6 inches. |
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Dimensions of tail struts: Length, 9 1/4 inches; width, 1 1/2 inches; thickness, 1/16 inch. |
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Material of tail: Steel. |
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Type of filling: The filling consists of 152 phosphorus-filled steel pellets contained in three cylindrical steel canisters. Each canister is filled with pellets and the space not oc-cupied by the pellets is filled with white phosphorus. The canisters are covered with a heavy wax coating. There is a charge of type 98 explosive in the nosepiece of the bomb. |
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Weight of canisters: |
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68 pellets: 56.0 pounds. |
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56 pellets: 37.5 pounds. |
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28 pellets: 13.0 pounds. |
| Dimensions of canisters: | Length | Diameter |
| 68 pellets | 7 inches. | 8 1/4 inches. | |
| 56 pellets | 5 3/4 inches. | 8 1/4 inches. | |
| 28 pellets | 3 inches. | 8 1/4 inches. |
| Dimensions of pellets: | 2 1/2 inches. | 1 1/2 inches. |
| Weight of filling: 107 pounds. |
| Total weight of bomb: 155 pounds. |
| Charge/weight ratio: 69 percent. |
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Construction of body: A cast-steel nosepiece is attached to a longitudinally welded steel body by a continuous weld. The nosepiece contains a gaine well surrounded by an explosive charge which in turn is surrounded by a wooden filler plug. The body has 4 ex-ternal longitudinal grooves 90° removed from each other. The tail cone is welded to a collar which fits into the body and is held there by a single row of 16 screws. |
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Construction of tail: The tail cone is constructed of 1/8-inch steel and is welded longi-tudinally. Four steel fins are welded to the cone and are braced by a single set of box-type struts. |
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Figure 85 - Type 3 No. 6 Target Marker Bomb. |
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