this post was submitted on 05 Nov 2025
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He still is involved with engineering things, people just want to think he's not so they can think less of him.
E.g with Starship it was his decision (that he had to convince everyone on) to use stainless steel for Starship. If I recall correctly, his current focus is on the raptor engine.
So far SS seems to have been working well for them, with the ship surviving some brutal re-entries even with missing heat shield tiles.
This is the progress they're making on Raptor. And for anyone that doesn't know, Raptor are the first Full-Flow Staged Combustion Cycle (FFSCC) engines ever flown. A lot of the reductions you're seeing between the engines is from moving to 3D printing all those channels within the tubes.
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