Thread: Science Space Exploration megathread
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Old 06-13-2020, 04:44 PM   #3055
allen_kcCard allen_kcCard is offline
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Quote:
Originally Posted by Donger View Post
What were those rings that blew off the second stage nozzle after engine ignition?

https://www.spacex.com/launches/

2:49
Totally a guess, but I would think it is some sort of a buffer ring to both help seal the connection of 1st stage and 2nd stage, and also perhaps something to help ease the separation. Looked like once the 2nd stage lit up the ring pops off from the heat or vibration and is under enough tension that is snaps.
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