There were a few leaks along the way but not too many
At the base of the Space Launch System, repair crews work to replace a seal on September 8th, 2022.Today, NASA got its next-generation Moon rocket all tanked up with nowhere to go. Liquid oxygen and liquid hydrogen fuel were loaded into the Space Launch System today in an hours-long test of its troublesome fueling system.hydrogen leak stymied the second launch attempt
of the rocket and the Artemis I mission on September 3rd. The new procedures were “designed to transition temperature and pressures slowly during tanking to reduce the likelihood of leaks that could be caused by rapid changes in temperature or pressure,”“I am extremely encouraged by the test today,” said Charlie Blackwell-Thompson, launch director for NASA’s Artemis program, after the test.
The test was designed to simulate almost everything the team would go through during the fueling process on launch day, without actually launching the rocket. The equipment was subject to the same super-cold temperatures that it would experience during a typical fueling. As the rocket was loaded with liquid hydrogen, engineers noticed a leak in part of the fueling system that connects to the rocket, known as a “quick disconnect umbilical line.
The liquid hydrogen leak remains manageable during the Artemis I cryogenic demonstration test. Teams warmed up the quick disconnect umbilical line and the leak then maxed out at 3.4%, which is within the acceptable range to continue.
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