On 10 October 2017, the M1 demonstration flight model of the Vulcain 2.1 main stage cryogenic rocket motor for Ariane 6 arrived in the DLR German Aerospace Center test facility in Lampoldshausen for functional tests.

The Vulcain is 3.7 m high, 2.5 m in diameter and weighs about 2 tonnes, and will deliver 135 tonnes of thrust in vacuum.

Photo courtesy of ArianeGroup Holding.