FIELD: rocketry. SUBSTANCE: proposed chamber of liquid propellant thruster consists of mixing head and housing with insert placed inside and arranged concentrically with clearance in chamber housing. Insert is made in form of combustion chamber with nozzle with convergent and divergent parts. Space of clearance between chamber housing and insert communicates at one side with space of combustion chamber in zone of mixing head and at other side with space of divergent part of nozzle. EFFECT: provision of additional cooling of insert and chamber housing at preservation of high economy of engine. 4 cl, 1 dwg _
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