ALLIED BOMBS AND FUZES

SIZE:

R.F.C. 230 lb.

TYPE:

G.P.-H.E. Bomb

Mark V, VI & VII

TARGET:

General Bombardement

FUZES (Tail):

No. 5 B Mark I or II

DATA

R.F.C. 230 lb. Mark I, II & III

1

OVERALL LENGTH

50.7 inches

2

LENGTH OF BODY

Approx. 46.0 inches

3

DIAMETER OF BODY

10.0 inches

4

THICKNESS OF WALL

0.22 inches

5

MATERIAL OF WALL

Mild steel body with forged or cast steel nose.

6

CONSTRUCTION OF BODY

The body consists of a tubular case of mild steel to which has been welded a forged or cast steel nose section and a conical tail piece. In the Mark I and II there is a filling hole in the concal tail which is not present in the mark III. The Mark II has a solid point welded to the nose section where-as the Mark III has the steel nose point threaded to screw into the nose section and this acts as the filling hole. A fuze adapter is welded into the conical tail piece and holds the central booster tube.

7

TYPE OF SUSPENSION

These bombs are suspended horizontally.

8

CONSTRUCTION OF SUSPENSION LUG

An eyebolt which appears to be a U-shaped casting is rivetted to the bomb case at the center of gravity.

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. "Totryl" 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

18.0 inches

11

WIDTH OF TAIL

19.5 inches

12

MATERIAL OF TAIL

Mild steel.

13

CONSTRUCTION OF TAIL

The tail consists of a cone which fits over conical tail sec-tion of the body; four mild steel vanes, reinforced with two sets of box-type struts, are secured to the body by two clamping bands and bolts.

14

WEIGHT OF TAIL

15

TYPE OF FILLING

Two types of filling are used in this bomb: 1) Amatol 80/20 or 2) Trotyl (T.N.T.)

16

WEIGHT OF FILLING

1) 110 lbs.

2) 140 lbs.

17

TOTAL WEIGHT OF BOMB

1) 210 lbs.

2) 240 lbs.

18

CHARGE/WEIGHT RATIO

1) 52.5%

2) 58.5%