Elon Musk Explains SpaceX's Raptor Engine!

Elon Musk Explains SpaceX's Raptor Engine!

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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