First ignition for ESA’s low-cost, reusable rocket engine

With first ignition, ESA’s reusable, next-generation Prometheus rocket engine development project has taken a step toward hot fire testing. Ongoing work at prime contractor ArianeGroup’s facilities in Vernon, France is being carried out using the Themis reusable stage demonstrator as a test bed.

The 100-ton thrust class Prometheus features extensive use of new materials and manufacturing techniques designed to reduce its cost to just a tenth of Ariane 5’s Vulcain 2, an upgraded version of which – Vulcain 2.1 – powers the core stage of Ariane 6.

#launchers #space #science #esa #europeanspaceagency
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