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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 H.C. Mk 16 Mods 1 and 2, and Mk 21 |
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Guns used in |
12"/50 |
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Over-all length, inches |
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With nose fuze |
43.76 |
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Without nose fuze |
40.285 |
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Diameter of base, inches |
11.977 |
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Distance base to band, inches |
1.0 |
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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 |
58.20 |
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Weight of loaded projectile, pounds |
740 |
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Charge/weight ratio |
7.86% |
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Primer |
Mk 15 Mod 1 |
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Tracer |
Mk 5 |
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Fuzes |
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Base |
Mk 28 "green stripe" |
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Mk 38 Mods 0 and 1 |
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Mk 48 Mods 0 and 1 |
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Nose |
Mk 29 Mods 1, 2, and 3 (P.D.F.) |
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Mk 42 Mod 0 (M.T.F.) |
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Mk 62 Mod 0 (M.T.F.) |
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Auxiliary Detonating Fuze |
Mk 17 Mod 8 "green stripe" |
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Mk 35 Mod 0 |
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Mk 55 Mod 0 |
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Booster Mk 5, or a special 0.53 pound pres-sed TNT booster, is also used under the au-xiliary detonating fuze. |
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The 12-inch H.C. projectile is merely a redesignation of the Mk 16. |
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The Base Fuze Mk 39 repleaces the original "green stripe" Base Fuze Mk 28; the Auxili-ary Detonating Fuze Mk 35 replaces the original special "green stripe" Mk 17 Mod 8. These Fuzes are now being replaced by the Base Fuze Mk 48 and the Auxiliary Detonat-ing Fuze Mk 55. |
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The Nose Fuze Mk 62 is the preferred nose time fuze. |
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Figure 62. 12-inch H.C. Mk 16 Mods 1 and 2 |
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