FIELD: engines and pumps.
SUBSTANCE: combined-cycle engine comprises starting booster made up of turbojet engine, double-duty ramjet (DDRJ), and feed line. Double-duty ramjet has assemblage of pylons supporting primary low-thrust ejector engines attached to rear edge of said pylons. Said feed line communicated aforesaid starting booster with dual-duty ramjet son that to allow feeding turbo compressor exhaust air to aforesaid primary ejector engines. Starting booster and double-duty ramjet are integrated to generate thrust varying from 0 to over 4 Mach.
EFFECT: increased thrust.
19 cl, 5 dwg
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