‘Incandescently expensive’ SLS scrubs first attempt at lunar test flight

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Title: ‘Incandescently expensive’ SLS scrubs first attempt at lunar test flight

Originally reported on theaircurrent.com by The Air Current

20000756 – TECH NEWSer | 20000758 – Rocketry Aerospace Engineering | •| Tech |•| Newser |•| Technology | •| Rocketry |•| Aerospace |•| Engineering |

This post appeared as part of our Three Points Newsletter on August 29, 2022

The Space Launch System, NASA’s largest-ever rocket for human spaceflight beyond Earth orbit, made an unsuccessful attempt to get the uncrewed Orion capsule and the Artemis 1 mission off the ground on August 29. The first launch window of the incredibly complex test flight was stymied by a bleed stage that wasn’t able to sufficiently cool the core stage’s number three RS-25 main engine aboard the new SLS rocket. That finicky main engine is repurposed for SLS and flew on six Space Shuttle flights going all the way back to December 2006. NASA will try again no earlier than September 2.

Perhaps one of SpaceX’s biggest contributions to a shift in the public expectation around space flight is that rockets are now reusable. Many news packages on SLS noted that the rocket isn’t reusable, once the norm in spaceflight that only shifted for the first time in 2015. For the single-use SLS, NASA’s RS-25s are now expendable motors.

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