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| Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition |
| Chapter 4 – Section 1 |
| ARMY PROJECTILES |
| Type 90 - 7-cm (75-mm) Incendiary Projectile |
| Weight of projectile, filled (with fuze): 6.94 kg. (15.3 pounds). |
| Weight of expelling charge: 20 grams. |
| Weight of incendiary composition: 530 grams. |
| Expelling charge: Black powder. |
| Incendiary composition: Not determined. |
| Diameter at bourrelet: 75 mm (minus tol.). |
| Length of projectile (without fuze): No data. |
| Length protruding from case (without fuze): 213 mm (8 3/8 inches). |
| Width of rotating band: No data. |
| Fuzing: Type 5th year modified combination fuze (gun). |
| Weapons in which used: |
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Type 41 mountain gun: Case, 7 1/4 inches. |
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Type 94 mountain gun: Case, 11 9/16 inches. |
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Type 38 field gun group: Case, 11 9/16 inches. |
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Type 99 field gun: Case, 16 11/16 inches. |
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Operation: After a preset time or on impact, the combination fuze fires the expelling charge. This forces the incendiary unit out the base of the projectile and at the same time ignites it. Information pertaining to the incendiary unit is lacking, but the burning compound is apparently a dry composition. |
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Remarks: According to the new marking system, this projectile is painted as follows: |
Yellow body with the symbol
stenciled near the middle. |
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Figure 264 – Type 90 7-cm Incendiary Projectile. |
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