We are 
We’re going to let you trawl the internet to find how long it takes to build a Vulcain 2.1 engine. (PS: Some of our other social networks might be useful..).
) #ArianeGroup #ArianeFactspic.twitter.com/vIrg7z7kLH
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Here’s a hint: it takes 72 hours to print the components for a Vulcain 2.1 engine.
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Exactly one I suppose. No metal-printer (that I know off) is completely automated. So if you forget to turn it off, it will just demand to remove the already printed parts from his chamber for 362.25 days. Otherwise: Lots. Can I have one?
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