Elon Musk Explains SpaceX's Raptor Engine!

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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.

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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27 thoughts on “Elon Musk Explains SpaceX's Raptor Engine!”

  4. Илон – необычный директор!!!! Обычно,когда директор идёт по заводу,все либо,прячутся,чтоб под "раздачу" не попасть,либо начинают изображать бурную деятельность,и всё ради премии! А тут,просто мужик в футболке,и даже без фирменных надписей!

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  26. o que e liquido e gas e o que e gas e energia a hidráulica vc ja observou a agua saindo de um hidrante controlado por uma chave de evasão em forma de esfera oca com uma bomba de agua ligada um controle que se faz com a agua que enche a caixa de agua o que acontece de pressurização do liquido a chave toda aberta a agua sofre menas influencia da força sobre o liquido a mesma coisa acontece com o acendedor de solda vc so tem mas força no bico de controle de saída do gas se vc liberar mas gas de forma pressurizada na ponta do acendedor e se houvesse uma forma de provocar a força a formação da força vetorial da liberação da queima do combustível em forma de aspiral assim como um projetil que e solido passa pelas estrias do cano de um fuzil eu imagino que se essa camara de queima de combustível tivesse uma concha com estrias talvez o efeito do empuxe aliado a força dos turbo motores calsace mas pressurização na saída da energia que provoca o empuxe e ate a queima desse combustível não seria parecido um cano saindo agua com entrada de ar e eu acredito que teria ate controle na queima e no gasto de combustível forçando mas o empuxe e dando mas força na velocidade do foguete a vc ja vil um rotor de uma bomba de agua e justamente isso que provoca a força pro liquido subir acredito que se tivesse uma projeção de uma peça na saída da camara que proporciona o empuxe daria mas pressurização e empuxe nas chamas da concha do motor e eu acho que essa carapaça tem que ser menor no diâmetro e maior no comprimento .

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  27. So Flux capacitors are real ….well Flux transfer tube or was it Lux Transfer tube they mentioned , those Rocket 🚀 Engine scientists …I'm here March 18th 24 after watching 3rd heavy rocket test with STARSHIP ……..
    YES "OCCUPY MARS"…Tim you are amazing bud ….and all at SpaceX

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