Published On Jul 9, 2022
Today we’re getting up close and personal with SpaceX’s Raptor 2 engine with Elon Musk. We get into all sorts of details on this engine including how exactly it’s been upgraded and simplified compared to Raptor 1.
This video has a ton of fun details on some fairly technical stuff, so be sure and watch my "Why don’t rocket engines melt" video - https://youtu.be/he_BL6Q5u1Y - so you know what we’re talking about with some of the cooling techniques as well as my video on engine cycles - https://youtu.be/Owji-ukVt9M - so you understand how the Raptor’s full flow staged combustion cycle works and why it’s advantageous!
00:00 - Intro
00:50 - Conversation Starts
02:00 - Raptor 1 vs Raptor 2
03:50 - Thrust and Chamber Pressure
05:30 - Iteration Philosophy
06:30 - Melting Engines and Cooling
09:30 - Torch Igniters and Starting
13:00 - Full Flow Advantages
15:30 - Swirl Injectors
16:40 - Thrust Vector Control
20:30 - Simplifications
24:50 - Removing Throat Film Cooling
25:35 - Boost Pumps and Impellers
30:35 - Inline Powerhead Discussion
32:15 - Fluorine, Dual Cooling and Aerospikes
35:00 - Chamber Pressure and Impulse
40:00 - Outro
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