TM 9-1985-4; Type 94 Modified and Type 1 50-kg. and 100-kg. H.E. Bombs

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.