Elon Musk Explains SpaceX’s Raptor Engine!

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 -------------------------- Want to support what I do? Consider becoming a Patreon supporter for access to exclusive livestreams, our discord channel! - And extra big thanks to our Mission Directors! Get your name in the credits by becoming a Mission Director on Patreon! Mac Malkawi, Ole Mathias Aarseth Heggem, Tomdmay, TTTA, Max Haot, John Malkin, DLB, Héctor Ramos, David Glover, Simon Pilkington, Tristan Edwards, Arthur Carty, Frans de Wet, Chad Souter, Sam Fisher, Chris Dibbs, Seth Pascale, Manalope , Vincent Argiro, Taron Lexton, Corey Coddington, Tim Engle, Ares Lovlyn, David A. Greer, Robin Haerens, Mark Krieger, Roger Oldfield, Ruben Maier-Gerber, Vignan Velivela, Damian Borth, Scott Ferreira, Steven Hosac, Bravishma Narayan, Eric Johnson, Robert Maynard, Dakota Flemmer, John, Ryan Vandervoort, Justin Hook, Barney, Gautham Or become a YouTube member for some bonus perks as well! - The best place for all your space merch needs! All music is original! Check out my album “Maximum Aerodynamic Pressure“ anywhere you listen to music (Spotify, iTunes, Google Play, Amazon, etc) or click here for easy links -