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by Staff Writers
Paris (ESA) Jul 16, 2013
In November 2012, European Ministers responsible for space, meeting in Naples, Italy, approved the start of preparatory activities for Europe's next-generation Ariane 6 launch vehicle. The objective of Ariane 6 is to maintain guaranteed autonomous access to space for Europe, while minimising exploitation costs and suppressing any support to exploitation.
The performance requested for the new launch vehicle was 3-6.5 tonnes in equivalent geostationary transfer orbit (GTO), to cover both governmental and commercial needs. The general configuration retained was 'PPH' - indicating the sequence of stages using solid propulsion, solid propulsion and cryogenic propulsion.
Ministers also requested that the new launch vehicle exploits maximum commonalities with the cryogenic reignitable upper stage of Ariane 5 ME.
This concept was selected after six months of trade-off studies done by a 'plateau projet' integrating industrial teams (Astrium, Avio, Herakles and the participation of Safran, MT Aerospace and others) working under ESA contract, consistent with Ministerial decisions mentioned above.
The choice of configuration was made by consensus and based on the following main criteria: exploitation costs, time to market and development costs.
Ariane 6 will benefit from the advances by European industry in solid and cryogenic propulsion, structures, systems, avionics, ground segment and operations through the Ariane and Vega programmes.
Baseline configuration selected
The third stage will be an adapted version of the Ariane 5 ME upper stage, equipped with the Vinci engine and specific propellant tanks.
The 5.4 m-diameter payload fairing will be able to accommodate the same volume of satellites as Ariane 5.
Steps to October 2013
Consolidation of the current Phase A will take place at the Preliminary Requirements Review (PRR) in October 2013.
Decisions taken by the ESA Council at Ministerial level in November 2012 are being implemented strictly and timely.
Launchers at ESA
Launch Pad at Space-Travel.com
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