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| Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition |
| Chapter 4 – Section 1 |
| ARMY PROJECTILES |
| Type 90 - 7-cm (75-mm) Illuminating Projectile |
| Weight of projectile, filled (fuzed): 5.65 kg. (12.44 pounds). |
| Weight of illuminating compound: 0.25 kg. (0.55 pound). |
| Filling: |
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Expelling charge, black powder. |
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Illuminating compound, not known ( A common illuminating compound used by the Japa-nese is a mixture of barium nitrate, magnesium and aluminum.) |
| Diameter at bourrelet: 75.0 mm (minus tol.). |
| Length over all (without fuze): No data. |
| Length protruding from case: 210.0 mm (8 1/4 inches). |
| Width of rotating band: No data. |
| Fuzing: Type 5th year combination fuze. |
| Weapons in which used: |
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Type 41 mountain gun: Case, 7 1/4 inches. |
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Type 38 field gun group: Case, 11 9/16 inches. |
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Type 90 field gun: Case, 16 11/16 inches. |
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Type 94 mountain gun: Case, 11 9/16 inches. |
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Remarks: 1. Japanese figures state that this illuminating charge burns with an intensity of approximately 90,000 candlepower, for a period of 20 seconds. |
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2. According to the new marking system, this projectile is painted as
follows: Red body with the symbol
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Figure 265 – Type 90 7-cm Illuminating Projectile. |
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stenciled near the middle. Under the old marking system, it was pain-ted
black over all with the same symbol stenciled on the body.