|
|
| Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition |
| Chapter 5 - Section 1 |
| NAVY PROJECTILES |
| 5-cm (47-mm) Complete Round and Projectile |
| Assembled round: |
| Weight of complete round: 3.2 pounds. |
| Length of complete round: 9.25 inches. |
| Projectile: |
| Weight of filled projectile (with fuze): 2.4 pounds. |
| Weight of projectile (empty): 2.1 pounds. |
| Dimensions: |
| Length of projectile (without fuze): 5.31 inches. |
| Diameter at bourrelet: 1.84 inches (46.7-mm). |
| Distance from base to rotating band: 1.25 inches. |
| Width of rotating band: 1.69 inches. |
| Filling: Loose granular black powder: 1.8 ounces. (50 grams). |
|
Fuzing: Hotchkiss patent fuze, screwed (R.H.) into base; a simple setback arming base fuze presumably of British manufacture. The base of the fuze is stamped "Hotchkiss Pa-tent DOC." Weight of fuze, 2 ounces. |
| Case: |
| Length: 5.19 inches. |
| Diameter at base: 2.38 inches. |
| Material: Brass (recovered); steel (documentary). |
| Weight (empty): No data. |
|
The case is crimped into a groove in the base of the projectile by several short crimps. |
| Propellant: 5 C2 (type 2-year propellant) 2.4 ounces (0.067 kg.). |
| Unperforated Cylindrical sticks, approximately 0.5 mm (1/64 - 1/32 inch) by 3 3/16 inches amber-colored double-base powder. |
| The propellant sticks are enclosed in a compartemend bag of heavy brownish silk. |
| Primer: Small flush type (designation unknown). |
| Weapon in which used: Short 5-cm gun. |
|
This gun, mounted on wooden-spoked wheels as a field piece, corresponds to old U.S. "landing guns" and is probably a copy of an obsolete British gun. The breech block is the vertical sliding type. |
|
Figure 372 – 5-cm Complete Round and Common Projectile. |
|
|
 |
