| Assembled round: |
| Weight of complete round: 74.03 pounds. |
| Length of complete round (with type 91 fuze): 41.75 inches
(approximately). |
| Projectile: |
| Weight of filled projectile (without fuze): 43.34 pounds. |
| Weight of empty projectile: 39.38 pounds. |
|
Weight stamped on rotating band (sample): 17.9 kg (varies with
individual projectiles).
|
| Dimensions: |
| Length of projectile (without fuze): 13.95 inches. |
| Diameter at bourrelet: 4.6 inches (119.0 mm). |
| Distance from base to rotating band: 1.56 inches. |
| Width of rotating band: 1.9 inches. |
| Radius of ogive: 4 cal. |
| Filling: |
| Trinitroanisole (type 91 explosive): 3.96 pounds. |
| The explosive is cast directly in the projectile body. |
| Fuzing: |
| Type 91 mechanical time fuze. |
| Type 88 point detonating fuzes. |
| Weapon in which used: |
| Type 10-year 12-cm/45 dual-purpose gun. |
|
Remarks: The base of the projectile is slightly recessed to
receive a steel plate which is locked in by a steel ring. This arrangement
is presumed to be a seal to prevent the pro-pellant gases entering
possible flaws in the solid base of the projectile. A similar feature is
common in U.S.Army projectiles.
|
|
Figure 392 – 12-cm (Ordinary Mod 1) High-Explosive. |
