
Gray overall with two longitudinal diametrically opposite thin red lines. Red nose and red struts. New type markings will be found.
A cast steel nose is attached to a tubular steel body by a continuous circumferential weld and 2 rows of 16 plug welds each. A wood block and black powder burster charge are located in the nose. Housed within the body is a steel cylinder which contains the incendiary filling. A central copper tube within the cylinder contains quick match. A tail cone is attached to a collar by a continuous circumferential weld and 16 plug welds. The collar fits into the after end of the body and is held there by 2 rows of 16 screws each.
Four steel fins are welded to metal strips which are riveted (14 rivets each) to the tail cone. The fins are braced by a single set of box-type struts.
Black powder burster charge.
Filler - A central thermite core surrounded by solidified kerosene, petrol, alcohol soap mixture. Inflammable mixture (20 lbs, 9.1 kg); thermite (7.5 lbs, 3.4 kg).
General Information, Japanese Navy Bombs
Nose, A-3(a), Type 97 Mk 2 Model 2