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Avcoat

All articles tagged with #avcoat

technology19 hours ago•7 min saved

Artemis 2 bets on proven heat shield with lofted re-entry plan

NASA says Artemis 2 can safely re-enter with the same Avcoat heat shield used for Artemis 1, thanks to a lofted skip-entry trajectory that preserves shield permeability and vents gas, addressing the earlier damage seen in Artemis 1. The confidence rests on extensive testing and flight data, though using the current shield means a slightly reduced ability to dodge bad weather at splashdown, and some critics remain skeptical of the approach.

via Spaceflight Now|

#artemis-2 #avcoat #heat-shield

space1 day ago•74 min saved

Artemis II heat shield concerns eased by redesigned reentry, NASA says safety intact

NASA says Artemis II’s heat-shield issue is under control: after Artemis I revealed char loss in the Avcoat shield, NASA adjusted the reentry profile to a steeper angle and shorter exposure to heat, and independent reviews backed the plan. The Orion capsule’s heat shield is built to erode safely, and engineers concluded the crew can be protected even if parts of the shield underperform. Artemis II will carry four astronauts (Reid Wiseman, Victor Glover, Christina Koch, Jeremy Hansen) on a crewed lunar flyby with a splashdown in the Pacific, and while some experts remain skeptical, NASA maintains confidence that the root cause has been addressed and safety margins are in place.

via Live Science|

#artemis-ii #avcoat #heat-shield

science11 days ago•6 min saved

Artemis II's heat shield under scrutiny as re-entry risks loom

Artemis II's crewed Moon mission hinges on Orion's heat shield after Artemis I revealed uneven ablation and gas buildup; NASA refined the Avcoat blocks and moved to a direct re-entry profile to reduce peak heating, but the four astronauts still face intense re-entry temperatures with limited margin for error and no contingency plan.

via The Conversation|

#artemis-ii #avcoat #heat-shield

space1 month ago•4 min saved

Artemis II Faces Heat Shield Scrutiny Ahead of Manned Moon Flyby

NASA's Artemis II crewed lunar flyby is moving forward, but Orion's heat shield—composed of Avcoat and reinforced with a 3D Multifunctional Ablative Thermal Protection System—is under scrutiny after Artemis I showed shielding damage on reentry. NASA says there is no significant safety threat and has adjusted the reentry plan to reduce risk, while hydrogen-leak delays push the launch window to March at the earliest.

via SlashGear|

#artemis #avcoat #heat-shield

science2 months ago•4 min saved

Artemis 2 Faces Scrutiny Over Heat Shield as Experts Warn of Reentry Risks

With Artemis 2 looming, experts question whether NASA’s heat-shield fixes will keep astronauts safe during reentry, citing Artemis 1’s heat-shield cracking from gas buildup. NASA adjusted Artemis 2’s reentry profile and heat-shield design to reduce risk, and officials emphasize redundancies, but some veterans argue deeper fixes were needed. Artemis 2 will be crewed but not land on the Moon, setting the stage for Artemis 3’s lunar landing.

via Futurism|

#artemis-2 #avcoat #heat-shield

science2 months ago•19 min saved

Artemis II: Crewed Moon Flight Faces Heat Shield Doubts

Artemis II plans to launch a four-astronaut crew to the Moon aboard NASA’s Orion capsule, despite ongoing concerns about the heat shield made with Avcoat after Artemis I’s damage. NASA says it has mitigated the risk with a modified reentry path and updated risk analysis, and the heat shield will not be replaced for Artemis II. But several experts warn the risk remains nontrivial, highlighting uncertainties in the modeling and the possibility of cracks or material loss during reentry, making this a controversial decision about crew safety.

via CNN|

#artemis-ii #avcoat #nasa