Elon Musk Explains SpaceX's Raptor Engine!

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posted on 1 year ago — updated on 1 second ago

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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.

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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