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 3 weeks ago by threelonmusketeers to c/spacex
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[–] threelonmusketeers 8 points 3 weeks ago* (last edited 3 weeks ago) (1 children)

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

[–] [email protected] 4 points 3 weeks ago (1 children)

Wish there was a tl;dr

[–] [email protected] 10 points 3 weeks ago (1 children)

Resonance. Old problem, new rocket.

[–] threelonmusketeers 7 points 3 weeks 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.

[–] ptfrd 2 points 2 weeks ago

Zack with NSF yesterday as he and they try to integrate the new info released by SpaceX https://www.youtube.com/live/ADw63JI9Ook?t=1h9m40s