ArianeGroup signs contract with ESA for future Prometheus engine
by Staff Writers
Paris, France (SPX) Dec 17, 2017
Prometheus is a European demonstrator for a very low cost reusable engine, running on liquid oxygen (LOx) and methane. It is the precursor for future European launcher engines as of 2030.
The aim is to be able to build future liquid propellant engines with a unit cost of about 1 million euros, or 10 times less than the cost of producing existing engines such as the Vulcain2.
The success of this type of technological challenge demands an entirely new approach and the use of innovative design and production methods and toolsApart from switching from the traditional Ariane propellant (transition from the liquid oxygen and liquid hydrogen combination to a combination of liquid oxygen and methane), the demonstrator will entail major developments, including digitilization of engine control and diagnostics, and manufacturing using 3D printing in a connected factory environment.
The 75 million euro contract signed by Daniel Neuenschwander, Director of Space Transportation at the European Space Agency (ESA), and Alain Charmeau, CEO of ArianeGroup, the 50/50 joint-venture set up by the Airbus and Safran groups, covers the design, manufacturing and testing of the first two examples of the Prometheus demonstrator.
The French space agency (CNES) is leading in the early design process, and testing is scheduled on the P5 test bed of the German Aerospace Centre (DLR) in Lampoldshausen, Germany, as of 2020.
"The development of Ariane 6 is ontrack, with a first flight scheduled for 2020. This new Prometheus contract with the European Space Agency is paving the way for the future of European launchers, with the goal of designing and building a reusable engine for one tenth the cost of today's Vulcain2 type engines. I therefore thank ESA and the Member States for their contribution and their confidence in entrusting us with the development of the European technology of tomorrow."
Following the initial phase which was completed in early December, the first Program Review confirmed the consistency of the design choices with engine specifications and in particular with the recurring cost targets. At the same time, subsystems testing has started with the gas generator campaign (one of the parts built using 3D printing) on the DLR's P8 test bed in Lampoldshausen.
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Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc., and NASA completed hot-fire testing of an RS-25 rocket engine containing its largest additively manufactured component to date. Additive manufacturing, commonly known as 3-D printing, will help lower the cost of future missions of NASA's powerful Space Launch System (SLS) heavy-lift rocket. "This test demonstrates the v ... read more
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