Spin determination of KE projectiles

Details Spin determination of KE projectiles Spin determination of KE projectiles

1994-04-21

1996-02-20

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Radar reflector

With modulation

342 7, 342 67, H01Q 1518

Patent

active

054933013

ABSTRACT:
A technique for determining the spin history of kinetic energy penetrator projectiles. The method employs a special dihedral plug fitting in the rear (tracer well) of the penetrator projectile that produces a modulation of the tracking radar's signal. This signal is recorded and analyzed to yield the rotation rate of the projectile as it travels down range.

REFERENCES:
patent: 2472212 (1949-06-01), Hudspeth
patent: 3114911 (1963-12-01), McNutt
patent: 3320614 (1967-05-01), Jedrey, Jr.
patent: 4037228 (1977-07-01), Pearson
patent: 4072948 (1978-02-01), Drews et al.
patent: 5007721 (1991-04-01), Morris et al.
"Technique for Measuring the Spin Rate of kinetic Energy Projectiles" Feron et al, APL-MR-60 Apr. 1993.

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