P. SIMONTACCHI; E. HUMBERT; R. BLASI; E. EDELINE; A. ESPINOSA; JN. CARUANA

DOI Number: 10.13009/EUCASS2023-001

PROMETHEUS® is the Precursor of a new liquid rocket Engine family designed for low-cost, flexibility and reusability. This Project, undertaken through cooperation between CNES and Ariane Group, entered in the ESA Future Launcher Preparatory Programme after the ESA Ministerial Conference in December 2016, with Germany, Italy, Belgium, Sweden and Switzerland joining France in the support of this Programme. The aim of PROMETHEUS® programme is to design, produce, and test an advanced cost-effective 100-tons class LOX/LCH4 reusable Engine. This Engine targets flexibility in operation through variable thrust, multiple ignitions, compatibility to main and upper stage operation, and minimized ground
operations before and after flight. To reach those ambitious objectives, a design-to-cost approach is mandatory, as well as innovative technologies and advanced industrial capabilities; among the major levers, there are the extensive recourse to Additive Manufacturing for the production of engine components, the introduction of a full electric command system and the on-board Rocket Engine Computer (REEC) for Engine management and monitoring. In addition, Prometheus programme promotes the application of Agile and Frugal methodologies to get maximum profit in product innovation and value creation in operation. This paper presents the global status of Prometheus advancements and gives a specific insight regarding the last and upcoming milestones: 2021 first engine delivery, 2022 engines tests realization on Themis 1G and engine test campaign preparation for 2023 at P5 in DLR Lampoldhausen.

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In Categories: 1. Aerospace Europe Conference 2023, 1.Events, 10. Propulsion Physics
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