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| Japanese Explosive Ordnance – Bombs, Bomb Fuzes, Land Mines,
Grenades, Firing Devices and Sabotage Devices |
| Chapter 1 – Section 1 |
| Japanese Army Bombs |
| Type 100 50-kg. Smoke Bomb |
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Over-all length: 40 1/2 inches. |
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Length of body: 23 3/4 inches. |
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Diameter of body: 7 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: A normal Army suspension lug attached to a carrying band. |
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Color and markings: Grey over-all with a red band around nose. "50K" and the smoke symbol " " are stenicled in white on the body. |
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Length of tail: 16 3/4 inches. |
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Width of tail: 9 3/4 inches. |
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Width of tail fins: 4 1/2 inches. |
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Dimensions of tail struts: Length, 5 5/16 inches; width, 1 1/2 inches; thickness, 5/16 inch. |
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Material of tail: Sheet steel. |
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Type of filling: FS Smoke analyzed to be chlorosulfic acid, 41 percent, and sulphur trioxi-de, 54 percent, sulphuric acid, 5 percent. |
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Weight of filling: Chemical filling, 51 pounds. |
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High-Explosive filling, 6 pounds. |
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Total weight of bomb: 117 pounds. |
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Charge/weight ratio: 48 percent. |
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Construction of body: A steel nosepiece is held by three screws to be a steel sealing plate. The nosepiece houses a charge of picric acid. The sealing plate is welded to a tu-bular-steel body a continous circumferential weld. A burster tube containing picric acid threads into the sealing plate. A tail cone is welded to the after end of the body. |
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Construction of tail: Four steel fins are welded to the tail cone and are braced by a single row of box-type struts. |
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Figure 16 - Type 100 50-kg. Smoke Bomb. |
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