Fin stabilized armor-penetrating tracer projectile and method of

Details Fin stabilized armor-penetrating tracer projectile and method of Fin stabilized armor-penetrating tracer projectile and method of

1987-01-27

1988-03-22

Tudor, Harold J.

Ammunition and explosives

Projectiles

Target marking

102517, 102521, 244 324, 244 33, F42B 1116

Patent

active

047320869

ABSTRACT:
A method of securing a tracer cup 26 and fin segments 32, 33 to armor piercing penetrator 21. The penetrator 21 is fabricated of tungsten, or steel, with fin segments 32, 33 and tracer cup 26 being fabricated of steel. The tracer cup 26 contains a pyrotechnic tracer mix 27. The mounting flange 28 of tracer cup 26 is placed over a second boss 24 projecting rearwardly from a first boss 23 at the aft end of the cylindrical body of penetrator 21. A cylindrical sleeve 30 is press fit over the tracer cup 26 and first boss 23, and pre-fabricated fin segments 32, 33 are positioned on the sleeve 30. The fin segments 32, 33, cylindrical sleeve 30, and mounting flange 28 of tracer cup 26 are laser welded to each other and to the first boss 23 of penetrator 20 in one step. Increased laser power is applied to weld a fin segment 32 or 33 to the sleeve 30 and the sleeve 30 to the first boss 23 of the penetrator 20 and the sleeve 30 to the mounting flange 28 of tracer cup 26 compared with the magnitude of the laser power applied to weld a fin vane assembly 32 or 33 to the sleeve 30.

REFERENCES:
patent: 4015534 (1977-04-01), Engel et al.
patent: 4536928 (1985-08-01), Nicklas et al.

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