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| VT FUZES FOR PROJECTILES AND SPIN-STABILIZED ROCKETS |
| Chapter 4 - VT FUZES FOR PROJECTILES |
| Mk 58 Mods 0-4 (Mods 0, 1, 2-Obsolste) |
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General Data |
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Projectiles Used In 3"/50 A.A. |
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Markings |
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Mk 58 Mod _____ |
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Model _____ Lot _____ |
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Over-All Dimensions and Weight |
| Length | 7.8 in. (approx.) |
| Diameter at base of ogive | 2.4 in. (approx.) |
| Threaded length | 1.0 in. (approx.) |
| Threads | 2.00 in. 12 R.H. |
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Weight |
2.40 lb. |
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Material. Green ethyl cellulose plastic nose ogive molded integral to steel base ring; steel body cylinder; steel cap molded inside forward end of plastic ogive; in addition, Mod 1 has a metal button tip. |
| Arming Range | 600 yd. |
| Type of Energizer | Reserve |
| Wave-Suppression-Feature | Present |
| Self-Destructive Feature | None |
| Auxiliary Detonating Fuze | Mk 44 |
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Compression-Type Waterproofing |
only |
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Description |
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The maximum influence radius of this fuze varies between 40 and 100 feet for different lots and mods. Sensitivity to aircraft flyinf below 200 feet altitude is reduced by the wave-suppression feature; the amount of reduction depending on the height of the tra-jectory and the condition of the waves. Burst heights over land and water average bet-ween 5 and 15 feet. |
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Employment |
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This fuze is used for antiaircraft fire at ranges from 500 yards to the extreme range of the gun at all elevations. It is useful against low-flying airplanes, small surface craft, and in land barrage against personnel, light equipment, and installations. |
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Remarks. The VT Fuze Mk 58 has replaced the VT Fuze Mk 45. Mk 58 Mods 0-2 have short body cylinders without compression-type waterproofing. They operate at different frequencie Mods 0-2 are physically interchangeable with Mk 45 Mod 12 but not with Mk 45 Mod 11. |
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Mk 58 Mods 3 and 4 have long body cylinder with compression-type waterproofing. Mod 3 and 4 are not physically interchangeable with previous mods, nor with Mk 45 Mods 11 and 12. |
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The Mod 3 operates at the same frequency the Mod 2. The Mod 4 operates at the same frequency as the Mod 1. |
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All mods of Mk 58 have similar operational characteristics. |
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