Rocket motor construction from porous binder core

Details Rocket motor construction from porous binder core Rocket motor construction from porous binder core

1992-02-10

1995-02-07

Nelson, Peter A.

Ammunition and explosives

Powder form

Rocket propellent grain

102347, 86 17, 86 47, C06D 506, F42B 3300

Patent

active

053867777

ABSTRACT:
Rocket motors are constructed by encasing a solid porous poly(vinyl alcohol) core in the shape of the propellant grain with motor casing material in the same manner as motor casing material is conventionally applied over a disposable or removable mandrel. The motor is then completed by filling the open passages of the core with liquid oxidizer. When the liquid oxidizer permeates the poly(vinyl alcohol), the result is a solid continuous propellant grain of rubbery consistency. Aluminum powder may be incorporated in either the porous poly(vinyl alcohol) or the liquid oxidizer to achieve a fuel-enhanced propellant.

REFERENCES:
patent: 4068589 (1978-01-01), Oversohl
patent: 4604248 (1986-08-01), Dehm
patent: 4744299 (1988-05-01), Sayles
patent: 4911795 (1990-03-01), Olliff, Jr.
patent: 5007343 (1991-04-01), Marks

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