NASA to live-stream SLS rocket fuel leak repair test
NASA just weeks away from trying again with SLS Moon rocket launchThe test result will be crucial in deciding whether NASA can make a third attempt to launch the SLS on September 27. If the repair has not fixed the issue, officials will delay liftoff until the next launch window on October 2.
Mike Sarafin, the Artemis mission manager, said there was a slight chance lightning on Wednesday could force them to postpone the test. If the weather permits, engineers will refuel the rocket gently to minimize the risk of a pressure and thermal spike, he explained in aon Monday. NASA boffins will be measuring the content of hydrogen in certain enclosed areas of the rocket to detect any leakages.
"Ideally, we want to keep it to less than four percent," Jeremy Parsons, deputy manager, Exploration Ground Systems Program at NASA's Kennedy Space Center, said at the briefing of the maximum amount of gas NASA was prepared to leak."The reason the four percent is set is the flammability of hydrogen in the air. It's really a relatively conservative limit, that being said, that's where we have set it because you want to keep that all controlled.
When the previous attempt was scrubbed, officials had detected eight per cent – double the accepted limit – of hydrogen seeping into components within the launch vehicle. The SLS has never been flown into space before. A successful launch will allow NASA to test its rocket and Orion capsule for the first time. The capsule will be put in orbit around the Moon for a little over a month before returning to our home world. Orion is expected to carry astronauts to the Moon by 2025 at the earliest. ®
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