this post was submitted on 17 May 2025
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[CSI Starbase] POGO: The 63-Year-Old Problem Threatening Starship's Success (96 minutes) (www.youtube.com)
submitted 1 week ago by threelonmusketeers@sh.itjust.works to c/spacex@sh.itjust.works
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[–] threelonmusketeers@sh.itjust.works 8 points 1 week ago* (last edited 1 week ago) (1 children)

Lengthy video, but worth the watch, as Zack Golden's analyses usually are.

[–] Ek-Hou-Van-Braai@piefed.social 4 points 1 week ago (1 children)

Wish there was a tl;dr

[–] Steve@startrek.website 10 points 1 week ago (1 children)

Resonance. Old problem, new rocket.

[–] threelonmusketeers@sh.itjust.works 7 points 1 week ago

"Resonance"is probably the best one-word explanation, but the interesting details are in how the version 2 downcomer design makes the ship more prone to pogo oscillations, what the most likely failure modes are, and how they could be addressed in the short term and long term.