SOLID ROCKET FUEL CHARGE MANUFACTURE METHOD Russian patent published in 2005 - IPC

FIELD: rocket fuels.

SUBSTANCE: manufacture procedure comprises centering rod-assisted formation of fuel elements bundle, filling engine chamber bottom with fixing composition, immersing one end of fuel elements bundle into fixing composition and pressing it up to the stop, and hardening fixing composition. In order to form fuel elements bundle, fuel elements are assembled around centering rod into peripherally charge-forming cardboard envelop rolled up in overlapping way and secured on its outer side with scotch tape, cardboard envelop height being 0.8-0.9 that of protruded part of fuel elements from chamber bottom. When manufacturing fuel charge according to proposed method, fixing compositions with vitality time at least 30 min under normal conditions but also rapidly hardening at elevated temperatures can be used.

EFFECT: simplified manufacture procedure, eliminated need of special apparatuses, rotating table, and manipulator.

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