ALLIED BOMBS AND FUZES

SIZE:

40 lb. Mark I, II, III

TYPE:

G.P.-H.E. General Purpose

(Stabilized)

(Parachute equipped)

TARGET:

General Bombardement

FUZES (Nose):

Pistol D.A. No. 29 Mark I

DATA

40 lb. Stabilized bomb

40 lb. Parachute bomb

1

OVERALL LENGTH

27.25 inches

2

LENGTH OF BODY

16.75 inches

16.75 inches

3

DIAMETER OF BODY

5.05 inches

5.05 inches

4

THICKNESS OF WALL

5

MATERIAL OF WALL

Steel

Steel

6

CONSTRUCTION OF BODY

The body consists of a cast or forged steel case, stream-lined in shape, threaded at the nose to take the fuze adap-ter and fitted with a base plug shaped to receive the tail assembly. These bombs are similar in construction but vary slightly in the diameter.

7

TYPE OF SUSPENSION

These bombs are suspended horizontally.

8

CONSTRUCTION OF SUSPENSION LUG

The Mk. I bombs may have a suspension eyebolt welded to a band passing around the center of gravity; the Mk. II bombs have no eyebolt while the Mk. III bombs have eye-bolts welded to the body. All of these bombs are primarily for use in small bombs containers.

9

COLOR & MARKINGS ON BOMB AND TAIL

The bomb case and tail assembly are painted yellow; the bomb case having a green band around the largest diameter and a red band around the nose. If the filling is T.N.T., "Trotyl" is stencilled in three places on the green band or if Amatol is used, the fraction "80/20" appears in three places on the green band.

10

LENGTH OF TAIL

10.5 inches

Parachute case

11

WIDTH OF TAIL

4.88 inches

12

MATERIAL OF TAIL

Mild steel.

Mild steel.

13

CONSTRUCTION OF TAIL

The tail consists of a tail cone secured to the body by a bolt screwed into the base plug; four vanes rivetted to the cone and reinforced by a cylinder rivetted to the va-nes.

A cylindrical steel parachute case to which four narrow vanes are welded (?) is se-cured to the bomb body by a bolt. A circular ring welded to the vanes directs the wind against a closing cap which is held in place, until dropped, by a transit clip.

14

WEIGHT OF TAIL

15

TYPE OF FILLING

Two types of filling may be used, the most common being: 1) Trotyl (T.N.T.) although 2) 80/20 Amatol may be used. The central exploder tube is T.N.T.

16

WEIGHT OF FILLING

17

TOTAL WEIGHT OF BOMB

18

CHARGE/WEIGHT RATIO