Rocket Motor Arming-Firing Device FSU12/B.
DEPARTMENT OF THE NAVY WASHINGTON DC
Pagination or Media Count:
An improved arming-firing device that provides handling safety in a rocket motor is disclosed. The arming-firing device provides pyrotechnic out-of-line and electrical open and shortened initiator circuits safety features wherein the arming-firing device is armed by rotating an assemblage of a mechanical rotor switch assembly, and solenoid wherein the solenoid aligns multiple cavities of the mechanical rotor with multiple prongs of a kinetic energy barrier assembly and this action simultaneously electrically arms closes circuits and removes shorts and mechanically enables the initiator whereupon receiving a firing signal fires and in turn ignites the ignitor of the rocket motor. The mating of the kinetic energy poppet-sleeve squib assemblys barrier prongs with the rotor cavities obviates rebounding, thus affording proper ignition. The mechanical barrier and a solenoid return spring prevents inadvertent firing from any cause. Author
- Guided Missiles
- Rocket Engines