STAGE OF FLIGHT VEHICLE Russian patent published in 1994 - IPC

FIELD: space and rocket engineering. SUBSTANCE: stage has propulsion system provided with rotating nozzle 2, tail section made of internal 5 and outer 6 force shells, engines of section 11, control engine installations 12, coupling section 13, actuators 15, and adapter made of force shell 17 provided with face ribs 18,19. Through cut-outs 20 are provided in the outer force shell of the tail section. The cut- outs are closed with detachable deflectors 21. Internal force shell 5 of the tail section is provided with additional intermediate rib 22 coupled with it and positioned between its face ribs 7,8. Intermediate rib 22 is provided with radial passages 23 and actuators members 15 of a drive of rotating nozzle 2 is rigidly secured to intermediate rib 22 of internal shell 5. EFFECT: improved design. 5 dwg