FIELD: the invention refers to rocket fuels.
SUBSTANCE: the charge of the solid rocket fuel on the basis of thin-vaulted fuel tubes of equal length with a section having a constant length is fulfilled component in the shape of two bundles of tubes. One of the bundle of the tubes is fulfilled with fuel tubes put on pins located on the front bottom of the engine in a vulcanized elastic resin. The other bundle, the central one, is placed relatively to the first bunch with displacement into the side of the front bottom of the engine into the central bucket fastened with the front bottom and is hold in it with a grate-bar. The central bundle is fulfilled with a diameter not going out of the limits of the space between the nozzles. The value of displacement of the central bundle is equal to the volume of the engine before the nozzles.
EFFECT: the invention ensures high initial speed of the shot, preserve the level of maximal pressure and expel digressively burning residues of fuel.
2 cl, 1 dwg
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