METHOD FOR MANUFACTURE OF SOLID-PROPELLANT CHARGES Russian patent published in 2002 - IPC

FIELD: rocketry, in particular, manufacture of "brush"type solid-propellant charges fastened to the engine chamber bottom. The necessity of such a fastening is caused by high g-loads acting on the charge. SUBSTANCE: the method consists in fastening of fuel cells with one end to the front bottom of the engine chamber. To this end, a bundle of fuel cells is formed with the aid of the centering rod, it is sealed in the diameter by an elastic clamp, polymeric material is uniformly distributed over the surface of the engine chamber bottom at a continuous rotation of the engine, and fastening of fuel cells with one end to the front bottom of the engine chamber is accomplished by dipping of the bundle of fuel cells in polymeric material and clamping of them to the chamber bottom as far as they will go up to hardening of polymeric material. EFFECT: enhanced reliability of operation of inserted "brush" type charges due to the use of continuous operative single-stage method of fastening of fuel cells to the engine chamber bottom, as well as reduced labor content of manufacture of charges, maximized packaging of the fuel cells, simplified construction of the charge and reduced passive weight of it. 1 cl