XCOR, ULA test new upper stage nozzles
Submit on Tuesday, March 22nd, 2011 22:59
United Launch Alliance (ULA) and XCOR Aerospace announced successful hot-fire demonstrations of a lower-mass, lower-cost approach to liquid-fuelled rocket-engine vacuum nozzles. The new nozzle technology, which uses aluminium alloys and new manufacturing techniques, is projected to be less costly and lower in mass compared to nozzles in use today in typical large upper-stage rocket engine systems.
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