‘Large’ hydrogen leak foils NASA’s schedule for Artemis I mission

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‘Large’ hydrogen leak foils NASA’s schedule for Artemis I mission
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Another launch attempt may not happen until mid-October.

by a persistent hydrogen leak that Artemis mission manager Michael Sarafin described as “large,” in a press conference after the scrub. A small hydrogen leak was also noticed during the attempt on the 29th, but this was much larger.

NASA hasn’t announced when its next launch attempt of Artemis I will be, but expects to have a better idea within a few days. Engineers are focused on part of the fueling system that helps send liquid hydrogen fuel into the rocket, and which can quickly disconnect from the rocket after fueling. This “quick disconnect” has a seal around it that is designed to keep hydrogen from leaking out, which is referred to as “soft goods”.

Speaking soon after the second launch scrub on Saturday, NASA Administrator Bill Nelson said if the SLS rolls back into the VAB for repairs, the next launch attempt would most likely happen in mid to late October, after a planned crew mission to the International Space Station takes off earlier that month. The process of rolling the megarocket back to the VAB takes several hours.

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