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| U.S. EXPLOSIVE ORDNANCE |
| PART 1 - PROJECTILES, PROPELLANT, AND PROECTILE FUZES |
| Chapter 1 - Projectiles |
| Section 8 - 12-INCH PROJECTILES |
| 12-inch A.P. Mk 18 Mod 1 |
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Guns used in |
12"/50 |
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Over-all length, inches |
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With cap and windshield |
54.00 |
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Without cap and windshield |
38.39 |
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Diameter of base, inches |
11.977 |
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Distance base to band, inches |
3.10 |
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Width of band, inches |
4.0 |
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Diameter at bourrelet, inches |
11.977 |
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Filling |
Explosive D |
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Weight of filling, pounds |
17.4 |
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Weight of loaded projectile, pounds |
1,140 |
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Charge/weight ratio |
1.52% |
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Primer |
Mk 15 Mod 1 |
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Tracer |
Mk 5 |
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Fuzes |
Base - Mk 21 Mod 0 and 1 |
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The windshield is threaded to the A.P. cap and held in place by five equally spaced notches which are staked. The A.P. cap weighs 110.98 pounds and is soldered to the nose. In addition to the solder, the cap is also secured by seven crimp caps equally spa-ced on the periphery of the nose. |
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Figure 61. 12-inch A.P. Mk 18 Mod 1 |
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