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 – – so you know what we’re talking about with some of the cooling techniques as well as my video on engine cycles – – 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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