Japanese Explosive Ordnance – Bombs, Bomb Fuzes, Land Mines,
Grenades, Firing Devices and Sabotage Devices |
Chapter 1 – Section 1 |
Japanese Army Bombs |
Type 94 Modified and Type 1 50-kg. and 100-kg. HE-Bombs |
Fuzes: Type 94, Modified, C-3 (a), B-1 (a), B-1 (b); Type 1, C-3 (a), E-1 (a). |
50 kg. | 100 kg. | |
Over-all length | 40 inch. | 52 inch. |
Length of body | 23 1/4 inch. | 30 1/4 inch. |
Diameter of body | 7 1/8 inch. | 9 1/2 inch. |
Thickness of wall | 9/22 inch. | 13/32 inch. |
Material of wall | Tubular steel. | |
Type of suspension | Horizontal. |
Suspension lug: Normal Army type suspension lug. |
Color and markings: Black over-all and a red band around the nose. One yellow and one white band are forward of the suspension lug. |
50 kg. | 100 kg. | |
Length of tail | 16 5/8 inch. | 21 3/4 inch. |
Width of tail | 9 3/4 inch. | 13 3/8 inch. |
Width of tail fins | 3 5/16 inch. | 5 1/8 inch. |
Dimension of tail struts | 6 7/8 x 1 9/16 x 3/32 inch. | Forward: 9 7/16 x 1 3/16 x 3/32 inch. After: 9 7/16 x 1 9/16 x 3/32 inch. |
Material of tail | Sheet steel. | Sheet steel. |
Type of filling | 3 blocks of picric acid. | 4 blocks of picric acid. |
Weight of filling | 44 pounds. | 103 pounds. |
Total weight of bomb | 110 pounds. | 237 pounds. |
Charge/weight ratio | 40 percent. | 43.6 percent. |
Construction of body: A cast-steel nosepiece is screwed into a tubular-steel body. The orifice in the nose measures 3 inches in diameter. A tail cone is welded to the after end of the body. A fuze adapter is welded onto the apex of the cone. |
Type 94, Modified, tail fuze pocket is completely threaded. |
Type 1 tail fuze pocket has three threads and the an annular groove. |
Construction of tail: Four fins are welded to the tail cone and braced by box-type struts, a single set for 50-kg. bombs and a double set for 100-kg. bombs. A tail brake is fitted to the after end of the tail of the bombs. |
Figure 5 - Type 94 Modified and Type 1 50-kg. and 100-kg. High-Explosive Bombs. |
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