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Welding the Inside of the Fuel Tank of An Ariane 5
18" x 24"
Photographic Print

Ariane production Engineers supervising the welding of a fuel tank for an Ariane launcher The tank is made of mmthick aluminium The welding device starshaped object at centre rotates inside the tank allowing a continuous seamless weld to be made The integrity of the weld is crucial as the cryogenic tanks form the loadcarrying structure of the first stage of the launcher The stage contains two tanks one for liquid hydrogen and the other for liquid oxygen sharing a common bulkhead The interior of the liquid hydrogen tank is seen here Photographed at the Cryospace factory Les Mureaux France