SD 50 (D50; D50D; D50L)SD 250-kg D250, D250 JB, D250 L, D250 DL
GERMAN EXPLOSIVE ORDNANCE - BOMBS, BOMB FUZES, ROCKET, LAND MINES, GRENADES AND IGNITER
Chapter 1
GERMAN BOMBS
SD 70-kg
DATA:
Over-all Length: 43.2 in.
Body Length: 28.0 in.
Body Diameter: 8.0 in.
Wall Thickness: 0.4 in.
Tail Length: 16.0 in.
Tail Width: 11.0 in.
Filling: TNT.
Weight of Filling: 21 kg.
Total Weight: 66 kg.
Chg/Wt Ratio: 39%.
Fuzing: (25) B; (55); (89) B with parachute.

CONSTRUCTION. The SD 70 body is of one-piece forged steel and is normally fitted with a kopfring. The tail is of sheet steel construction and the fins are ribbed to supplant the diagonal fin braces.

This bomb, on occasion, is fitted with a parachute. The tail unit is removed and a sheet metal cylinder 18 inches long and 7 3/4 inches in diameter is attached to base of bomb. Contained in the cylinder is a red lattice type parachute 5 feet square with four double shroud lines. The shroud lines are secured by means of four U-shaped bracktes to a col-lar over which the base plate screws. The overall length of the cylinder and bomb is ap-proximately 45 inches. (See fig. 24).

SUSPENSION. Horizontal or vertical suspension is used.

COLOR. Bomb is field grey over-all. Red stripes on tail fin.

REMARKS. Parachute bomb apparently designed to give air burst.

Figure 24 – SD 70-kg Bomb

SD 50 (D50; D50D; D50L)SD 250-kg D250, D250 JB, D250 L, D250 DL