Spherical igniter for full head-end web rocket motors

Details Spherical igniter for full head-end web rocket motors Spherical igniter for full head-end web rocket motors

1987-10-15

1992-09-29

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

F42C 1908

Patent

active

051506548

ABSTRACT:
An igniter for full head-end web rocket motors comprises two molded urethane hemispherical shells, each of which is lined with a layer of solid propellant fuel, joined together to form a solid propellant-lined spherical pressure vessel, which spherical pressure vessel is strengthened by a wrapping fiberglass around the girth, includes an igniter initiator having an elongated tubular urethane housing that contains ignition material and serves also as a structural tie between the hemispherical shells, and a mounting foot incorporated in the lower portion of the spherical shell to facilitate bonding to the rocket motor's propellant grain, nozzle ports located in the lower portion of the spherical shell being provided for igniter flaming gas discharge and subsequent rocket motor ignition.

REFERENCES:
patent: 4498292 (1985-02-01), White
patent: 4503773 (1985-03-01), Bolieau
patent: 4530516 (1985-07-01), Adams et al.
patent: 4574699 (1986-03-01), Bolieau
patent: 4658578 (1987-04-01), Shaw

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