Roll angle determination

Details Roll angle determination Roll angle determination

1991-03-26

1993-08-10

Johnson, Stephen M.

Ordnance

Fuse setters

Combined with projecting, launching or releasing devices

73167, F42C 1700

Patent

active

052339017

ABSTRACT:
An apparatus for determining the roll angle of a rotating projectile, shell, missile or the like as it leaves the barrel or launch tube includes a magnetized part with a known polarization direction provided in the projectile, and two pairs of windings mounted at the very front of the muzzle bell of the barrel in such a way that a voltage is induced in the windings when the projectile passes the mouth, and an evaluation unit is designed to calculate, based on the voltage signals, the roll angle position of the projectile upon firing.

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patent: 3765621 (1973-10-01), Shigehara
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patent: 4080869 (1978-03-01), Karayannis et al.
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patent: 4750689 (1988-06-01), Yff
patent: 4967981 (1990-11-01), Yff
patent: 5099246 (1992-03-01), Skagerlund

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