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Measat selected Arianespace to launch its next satellite, Measat-3d, on an Ariane 5 rocket.
Europe is phasing out the Ariane 5 from 2020 to 2023 in favor of the lower-cost Ariane 6, which is now in production.
An Arianespace Ariane 5 rocket launched on 2019-11-26 from the Guiana Space Center at 4:23 p.m. Eastern carrying Egypt’s TIBA-1 satellite and Inmarsat’s GX-5 satellite.
In May, ESA tasked ArianeGroup and MT Aerospace with developing a prototype carbon-composite upper stage that leads to the Innovative Carbon Ariane Upper Stage (Icarus) made of carbon-fiber reinforced plastic.
ArianeGroup is preparing a Continuous Improvement Program for Ariane 6 to decrease costs and improve performance and mission capability.
Regulus is a joint venture that produces propellant for Ariane 6 and is owned 60% by Avio and 40% by ArianeGroup.
ArianeGroup expects Ariane 6 to succeed the Ariane 5 heavy-lift rocket while costing around half as much to produce.
Ariane 6 is designed to launch a wider range of satellites than Ariane 5, including low Earth orbit smallsat constellations and small geostationary satellites.
ArianeGroup and its industry partners fund 11% of the Ariane 6 program.
Member states affirmed plans at the previous ministerial to develop the Ariane 6 and Vega C rockets, which are scheduled to enter service in 2020.
Europropulsion is a 50-50 joint venture between ArianeGroup and Avio that builds Ariane 6’s solid rocket boosters.
ArianeGroup seeks ESA funding to simplify the design and improve manufacturing processes for Ariane 6’s solid rocket boosters.
Avio supplies the motor cases for Ariane 6’s solid rocket boosters and ArianeGroup supplies the nozzles.
Ariane 6’s upper stage includes an Auxiliary Power Unit designed to deliver satellites directly into circularized geosynchronous orbit instead of an elliptical transfer orbit.
ArianeGroup can implement a composite cylindrical structure on Ariane 6 in 2023 without waiting for the complete Icarus black upper stage, which will not be ready until at least 2025.
ArianeGroup plans a reinforced payload adapter for Ariane 6 to support more rideshares for small satellites and heavier combinations of GEO satellites by making more of the rocket fairing’s volume fillable with satellites.
ArianeGroup plans to increase the APU run time so Ariane 6 can inject more than 5,000 kg directly to GEO and enable sequential spacecraft separations to reduce collision risk.
ArianeGroup intends to apply Prometheus technologies such as electrical valves and 3D-printed parts to Ariane 6’s expendable Vulcain 2.1 first-stage engines and Vinci second-stage engines to reduce costs.
Prometheus aims to cost 1,000,000 EUR to manufacture by leveraging extensive 3D printing, about one-tenth the cost of Ariane 5’s Vulcain engine.
ArianeGroup is 3D printing an injector head for the Ariane 6 that reduced the part count from thousands to one, creating new inspection challenges.