VT FUZES FOR PROJECTILES AND SPIN-STABILIZED ROCKETS |
Chapter 4 - VT FUZES FOR PROJECTILES |
Mk 45 Mods 11 and 12 (Obsolete) |
General Data |
Projectiles Used In _____ 3"/50 A.A. |
Markings |
Mk 45 Mod ______ |
Model _____ Lot _____ |
Over-All Dimensions and Weight of Mk 45 Mod 12 |
Length | 7.7 in. (approx.) |
Diameter at base of ogive | 2.4 in. (approx.) |
Threaded length | 1.0 in. (approx.) |
Threads | 2.00 in. 12 R.H. |
Weight |
2.40 lb. |
Material. Green ethyl cellulose plastic nose ogive molded integral to steel base ring; per-forated steel nose cap molded into the inside forward end of plastic ogive; steel body cylinder |
Arming Range | 600 yd. |
Type of Energizer | Reserve |
Wave-Suppression-Feature | None |
Self-Destructive Feature | None |
Auxiliary Detonating Fuze | Mk 44 |
Compression-Type Waterproofing |
No |
Description |
This fuze has a maximum influence radius of about 50 feet. Burst heights over water at long range will average around 75 feet, with wide variations in burst height occuring as a result of wave effect and variations in sensitivity between individual fuzes. Burst heights over water at shorter ranges will generally average to lower levels. |
Employment |
This fuze is used for antiaircraft fire from a minimum range of 500 yards to the extreme range of the gun. |
Remarks |
The Mk 45 Mod 11, with longer base, was declared unservicable and recalled, to be re-placed. |
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