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This second successful test of the P120C is a major step in the development of the future European launchers, Ariane 6 and Vega-C – the launch campaign for the first Vega-C flight will begin before the end of this year, and the maiden flight of Ariane 6 is scheduled for 2020. It is also a source of great pride: the P120C is a completely new solid rocket motor, and all its development stages have been achieved faultlessly. The first test firing was successfully carried out on 16 July 2018 on the same BEAP test bench at the European Spaceport.
The P120C, co-developed by ArianeGroup and Avio on behalf of their 50/50 joint venture Europropulsion, is the world’s largest monolithic carbon fiber SRM. It is a real symbol of the fruitful collaboration between Avio and ArianeGroup, and exemplifies the strength of the ‘European space team’ made up of industrial companies, national space agencies, and ESA. The program for the development of Ariane 6 and Vega-C is managed by the European Space Agency (ESA).
With major investments required for producing solid-propellant boosters, the P120C is a perfect example of rationalization, since it will equip both Ariane 6 (in both its two-booster Ariane 62 and its four-booster Ariane 64 versions) and the first stage of Vega-C. This allows making optimal use of industrial infrastructures on the European continent and in French Guiana, thus meeting the goals of the Ariane 6 and Vega-C programs: optimized costs, shorter cycles owing to a simplified design, and the application of innovative technologies and processes.
The P120C consists of two principal parts. The first is the structural casing, built by Avio and made of carbon fiber (filament-wound, automated fabric layup pre-impregnated epoxy sheets). The second part is the nozzle, built by ArianeGroup and made of various composite materials, including carbon/carbon; it allows very high speed ejection of the extremely hot gases (3,000°C) generated by the motor, thus creating thrust by transforming the combustion gas energy into kinetic energy. The latter can also pivot, which enables the launcher to be piloted. Propellant casting and motor final integration are both performed in French Guiana.
ArianeGroup Press Contacts:
Astrid EMERIT – T. +33.6.86.65.45.02
astrid.emerit@ariane.group
Julien WATELET – T. +33.6 88.06.11.48
julien.watelet@ariane.group
Avio Press Contact:
Giuseppe COCCON – T. +393488558076
giuseppe.coccon@avio.com
Francesco DE LORENZO – T. +393355293206
francesco.delorenzo@avio.com
CNES Press Contacts:
Pascale BRESSON – T. +33.1.44.76.75.39
pascale.bresson@cnes.fr
Raphaël SART – T. +33.1.44.76.74.51
raphael.sart@cnes.fr
Sébastien MARTIGNAC – T. +33.1.44.76.78.35
sebastien.martignac@cnes.fr
ESA Press Contact:
media@esa.int
Tel: +33.1.53.69.72.99