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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 |
| No. 50 Ordinary Bomb Model 2 |
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Over-all length: 90 inches. |
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Length of body: 57 inches. |
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Diameter of body: 17 3/4 inches. |
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Thickness of wall: Nose, 4 inches; base, 1/2 inch. |
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Material of wall: Steel. |
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Type of suspension: Horizontal. |
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Suspension lug: An eyebolt welded to a suspension band which fits around the bomb body. The band is positioned by two guide studs 180° apart on the bomb body. |
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Color and markings: Gray over all. Green band around the nose and a brown band aft of it. |
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Length of tail: 33 inches. |
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Width of tail: 17 3/4 inches. |
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Width of tail fins: 7 inches. |
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Dimensions of tail struts: Length, 12 1/4 inches; width, 2 3/4 inches; thickness, 1/8 inch. |
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Material of tail: Steel. |
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Type of filling: Type 98 explosive separately cast in the body and tail. |
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Weight of filling: 457.5 pounds. |
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Total weight of bomb: 1080 pounds. |
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Charge/weight ratio: 42 percent. |
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Construction of body: The body is of one piece machined steel construction. The after end of the body is threaded internally to receive the tail assembly. |
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The tail cone threads into the bomb body and is secured by two grub screws. |
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Construction of tail: Four 5/32-inch steel tail fins are spot welded to the tail cone. They are braced by a single set of box-type struts. |
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Figure 45 - No. 50 Ordinary Bomb Model 2. |
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