Porous propellant grain and method of making same
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United States of America Patent
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Jul 19, 1988
Grant Date -
N/A
app pub date -
Jun 15, 1987
filing date -
Jun 15, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for preparing a porous propellant grain which comprises blending at least two combustible materials to form a homogeneous mixture, adding a predetermined amount of a liquid dispersant to said mixture to form a slurry, and flash drying the slurry in order to form a porous, single grain propellant having a greatly increased burning surface. A single grain propellant is produced having a flat, torroidal shape with a central cylindrical core and honeycombed with a plurality of porous channels extending entirely through the grain to increase the burning surface thereof.
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