FIELD: engines and pumps.
SUBSTANCE: invention is related to rocket engineering and may be used in development of rocket engines. Nozzle extension of rocket engine comprises fixed part and sliding section with cylindrical insert and shield. Socket between fixed part and sliding section is arranged in section, diametre of which makes 4.0-5.0 diametres of nozzle critical section.
EFFECT: increased extent of nozzle expansion in flight; reduced dimensions of rocket; ground fire tests for adjustment of nozzle extension without creation of devices that imitate high-altitude conditions of engine operation.
1 dwg
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