No. 3 Ordinary Bomb Model 2 and No. 6 Ordinary Bomb Model 2No. 50 Ordinary Bomb Model 2
Japanese Explosive Ordnance – Bombs, Bomb Fuzes, Land Mines, Grenades, Firing Devices
and Sabotage Devices
Chapter 1 – Section 2
Japanese Navy Bombs
No. 25 Ordinary Bomb Model 2

Fuzes: Nose: A-3 (a); tail: B-3 (a).

Over-all length: 71 1/2 inches.

Length of body: 44 1/2 inches.

Diameter of body: 14 inches.

Thickness of wall: 5/8 inch.

Material of wall: Steel.

Type of suspension: Horizontal.

Suspension lug: Normal Navy suspension lug.

Color and markings: Gray over all with a green band on the nose and green tail struts. New type color markings will be found.

Length of tail: 27 inches.

Width of tail: 14 inches.

Width of tail fins: 4 3/32 inches.

Dimensions of tail struts: Length, 10 inches; width, 2 1/8 inches; thickness, 1/16 inch.

Material of tail: Steel.

Type of filling: Picric acid, cast. Tail cone is filled.

Weight of filling: 228 pounds.

Total weight of bomb: 557 pounds.

Charge/weight ratio: 41 percent.

Construction of body: The body is constructed of one piece of machined forged steel. There is a threaded nose fuze pocket at the forward end. The after end of the body is threaded internally to receive a tail cone. The tail cone is explosive filled and has a fuze pocket at its apex.

Construction of tail: Four fins are welded to the tail cone and braced by a single set of box-type struts.

Figure 44 - No. 25 Ordinary Bomb Model 2.

No. 3 Ordinary Bomb Model 2 and No. 6 Ordinary Bomb Model 2No. 50 Ordinary Bomb Model 2