Vulcain®2
An international reference
The Vulcain® 2 cryogenic rocket engine, developing thrust of about 300,000 pounds (1,340 kN), powers the cryogenic main stage of the Ariane 5 ECA launcher. Derived from the original Vulcain® main-stage engine, it was qualified in flight during the launch of Ariane 5 ECA on February 12, 2005.
