FUZING:

Mks I - III: Nose Fuze No. 32.

Mk IV: Tail pistol No. 28 or No. 30

Mk VI: Tail pistol No. 30 or Tail Fuzes No. 875

or No. 895.

COLOR & MARKINGS:

Dark green overall; ½" red band 1" from nose;

1" light green band 4" from nose. Earlier mods

originally painted yellow.

OVERALL LENGTH

BODY LENGTH

MAX. BODY DIAMETER

WALL THICKNESS

TAIL LENGTH

TAIL WIDTH

TOTAL WEIGHT

CHARGE/WEIGHT RATIO

45% (approx.)

BODY CONSTRUCTION:

Mk IV – Hollow nose forging or casting and cast or forged tail adapter welded to sheet steel casing. Hollow nose threaded to take solid flat nose plug locked by a locking screw. Casing made in two parts welded together longitudinally. Tail adapter receives exploder container which is locked and sealed in position, housing detonator holder pistol.

Mk III – Nose of bomb fitted with adapter for nose fuze; three internal strengthening rings; tail adapter. A ballistic cap screws on the nose to prevent ricochet.

Mk VI – Nose plug and cup shaped nose attachment welded on as in drawing below.

TAIL CONSTRUCTION:

Mk IV, No. 7 Mk I: Sheet metal cone with cylindrical strut attached by four fins, se-cured to tail adapter by four spring clips on the cone. Reach rod, with arming vanes on after end, extends through cone and engages arming fork of tail pistol.

Mk III: Cylindrical strut which is attached by fins to a dome, which is secured to the bomb by a central bolt.

Mk IV: No. 56 Mk I tail secured by four locking screws threaded through four cone securing bosses welded on at an angle to tail cone; screw thread inward and aft to engage slots in body.

SUSPENSION:

Horizontal suspension by single lug, secured by screws projecting through the case and into a steel block support pad welded to interior of body; suspended from universal bomb carrier.

EXPLOSIVE COMPONENTS:

Detonators:

(See Appendix I, page 309)

Exploders:

C.E.

Filling:

Mk IV: 45 lb. R.D.X./T.N.T. 60/40 or 44 lb. T.N.T.

Mk VI: 49 lbs. Torpex (When filled with Torpex, a topping of T.N.T. is added at the nose and base.

Remarks:

(1)

No. 30 Tail Pistol with needle striker to be used in Mk IV for A/S bombing; No. 28 can be used in place of No. 30 for land bombardement.

(2)

Mk V never protuced.