FIELD: rocket engines. SUBSTANCE: rocket engine with inserted charges in form of cylindrical grain with central star-shaped channel over entire length working in wide temperature range from -50 C to +60 C; at stress concentration factor at vertices of charge beams ranging from 1.3 to 2.2, solid propellant has standard modulus of elasticity at high temperature of engine combat use within range of 2,1P is maximum pressure in engine at temperature of 60 C, MPa. EFFECT: enhanced interballistic characteristics of engine due to high level of mechanical reliability of charge. 5 dwg
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Authors
Dates
2001-06-10—Published
2000-03-03—Filed