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| Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition |
| Chapter 4 – Section 1 |
| ARMY PROJECTILES |
| Type 1 - 47-mm Armor-Piercing Projectile |
| Weight of complete round: 2.75 kg. (6.1 pounds). |
| Weight of projectile, fuzed: 1.38 kg. (3.0 pounds). |
| Weight of projectile (without fuze): 1.27 kg. (2.8 pounds). |
| Weight of filling: 0.018 kg. (0.04 pounds). |
| Filling: RDX, 90 percent; paraffin, 10 percent. |
| Diameter at bourrelet: 47 mm. (minus tol.). |
| Length of projectile (without fuze): 143 mm (5 5/8 inches). |
| Length of propellant case: 283 mm (11 1/8 inches). |
| Length of assembled round: 398 mm (15 5/8 inches). |
| Diameter of base of case: 72 mm (2 13/16 inches). |
| Width of rotating band: 12 mm. |
| Weapons in which used: Type 1 antitank gun, type 1 tank gun. |
| Fuzing: Small Mk 2 base fuze (short-delay). |
| Tracer: Yellow, 5 grams. |
| Weight of propellant: 0.398 kg. (0.9 pound). |
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Propellant: Single perforated cylindrical grains (7//16 inch long, 5/32 inch in diameter) of a graphited double-base powder of the following composition: |
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Nitrocellulose: 60.0 percent. |
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Nitroglycerine: 34.5 percent. |
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Ethyl centralite: 3.0 percent. |
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Diphenyl formamide: 2.5 percent. |
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Figure 231 – Type 1 47-mm Armor-Piercing Projectile. |
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