FIELD: aviation.;SUBSTANCE: invention can be used in aircraft engine production. Ramjet engine comprises housing, main air intake, primary chamber of variable cross section, secondary chamber, main fuel injector. Ramjet engine also comprises series of mini air-jet engines, adjacent to inner walls of primary chamber of variable cross-section. Inside air intake reversible turbine with blades is located fixed on aerodynamic posts. Secondary chamber is made in form of tapered diffuser.;EFFECT: higher engine efficiency, possible aircraft speed, reliability.;5 cl, 4 dwg
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