Introduction to Army and Navy GainesType 97 Land Bomb Gaine "B" and Type 99 Ordinary Bomb Gaine "C"
Japanese Explosive Ordnance – Bombs, Bomb Fuzes, Land Mines, Grenades, Firing Devices
and Sabotage Devices
Chapter 2 – Section 2
Army Gaines
Type 97 - Land Bomb Gaine "A" and
Type 99 - Ordinary Bomb Gain "A"
Japanese designation Type 97 land bomb gaine "A" Type 99 ordinary bomb gaine "A"
Delay 0.03 second 0.03 second
Color Green tipped Blue tipped
Dimensions: Over-all length 4 1/2 inches; diameter 1 3/8 inches.

Explosive train: Primer composition in upper plug. Black powder delay over flash powder relay in middle plug. Lead azide detonator over tetryl in lower plug. Picric acid booster.

Remarks: In the type 97 land bomb gaine the primer plug is of one piece construction. In the type 99 ordinary bomb gaine it is of two piece construction. The type 97 land bomb gaine "A" Modification 1 had a 0.115-second delay.

Figure 140 – Type 97 Land Bomb Gaine "A" and
Type 99 Ordinary Bomb Gaine "A".

Introduction to Army and Navy GainesType 97 Land Bomb Gaine "B" and Type 99 Ordinary Bomb Gaine "C"