Invention Grant
US3721195A Liquid revolution counter for fuze arming 失效
FUZE ARMING液体革命计数器

Liquid revolution counter for fuze arming
Abstract:
A safing and arming apparatus for use in a spinning projectile in which after a predetermined number of revolutions of the projectile a rotor is unbalanced by the relocation of liquid within the rotor thus causing the rotor to rotate and bring a detonator in line with a firing train.
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