ИМПУЛЬСНЫЙ РАКЕТНЫЙ ДВИГАТЕЛЬ ТВЕРДОГО ТОПЛИВА

摘要

FIELD: rocketry. ^ SUBSTANCE: proposed solid-propellant impulse rocket engine contains multigrain charge, combustion chamber with nozzle unit and front throttle hole and semiclosed perforated prechamber tube with igniter weighted portion and igniting hole at closed end face connected with front throttle hole. Prechamber tube consists of two sections divided by cross partition with hole. Igniter weighted portion is arranged in section with igniting hole to form clearance between partition and surface of weighted portion. Perforation in said section is made only in part of length of tube projecting over surface of charge. ^ EFFECT: reduced distribution of charge at ignition. ^ 1 dwg