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Ariane 6 early combined tests at Latesys in Fos-sur-Mer, in France, have simulated the moment of liftoff when the umbilicals separate from the rocket.
These tests are part of the critical path towards the first flight of Europe’s new Ariane 6 launch vehicle.
Umbilicals supported by ‘cryo-arms’ on the main mast and two mini masts at the base of Ariane 6 fill (or drain tanks) and keep the launch vehicle in an optimal condition right up to the point of liftoff.
At liftoff, pyrotechnic actuators detonate to burst hinges open allowing the umbilicals to safely separate from Ariane 6. The supporting cryo-arms that hold the upper umbilicals then move out horizontally away from the launch vehicle. At the same time, steel doors slam shut on the mini-masts at the base of Ariane 6. This is a highly precise, synchronised sequence.
These tests will validate the mechanical functions and connections of this complex system ahead of more extensive combined tests at Europe’s Spaceport in Kourou, French Guiana which will include the fluidic supplies.