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#356 – Tim Dodd: SpaceX, Starship, Rocket Engines, and Future of Space Travel

Lex Fridman Podcast

Conversations that explore technology, history, philosophy, physics, mathematics, biology, chemistry, engineering, AI, robotics, programming, music, film, art, sports, psychology, neuroscience, geopolitics, business, economics, religion, astronomy, and the human condition with people from all walks of life.

Tim Dodd is host of the Everyday Astronaut YouTube channel, where he teaches about rocket engines and all things space travel. Please support this podcast by checking out our sponsors:
- BetterHelp: https://betterhelp.com/lex to get 10% off
- MasterClass: https://masterclass.com/lex to get 15% off
- Shopify: https://shopify.com/lex to get free trial
- ExpressVPN: https://expressvpn.com/lexpod to get 3 months free

EPISODE LINKS:
Tim's YouTube: https://youtube.com/@EverydayAstronaut
Tim's Twitter: https://twitter.com/Erdayastronaut
Tim's Instagram: https://instagram.com/everydayastronaut
Tim's Website: https://everydayastronaut.com

PODCAST INFO:
Podcast website: https://lexfridman.com/podcast
Apple Podcasts: https://apple.co/2lwqZIr
Spotify: https://spoti.fi/2nEwCF8
RSS: https://lexfridman.com/feed/podcast/
YouTube Full Episodes: https://youtube.com/lexfridman
YouTube Clips: https://youtube.com/lexclips

SUPPORT & CONNECT:
- Check out the sponsors above, it's the best way to support this podcast
- Support on Patreon: https://www.patreon.com/lexfridman
- Twitter: https://twitter.com/lexfridman
- Instagram: https://www.instagram.com/lexfridman
- LinkedIn: https://www.linkedin.com/in/lexfridman
- Facebook: https://www.facebook.com/lexfridman
- Medium: https://medium.com/@lexfridman

OUTLINE:
Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.
(00:00) - Introduction
(06:18) - SpaceX rockets
(26:56) - Falcon 9
(31:08) - Starship
(35:27) - SpaceX rocket engines
(43:05) - Elon Musk
(58:41) - Twitter
(1:04:46) - How rocket engines work
(1:09:37) - Rocket fuel
(1:13:03) - Rocket engine cycles
(1:25:27) - Rocket cooling
(1:40:24) - Multistage rockets
(1:43:57) - Single-stage-to-orbit
(1:49:33) - Aerospike engine
(1:57:18) - Greatest car engine of all time
(2:02:27) - Starship
(2:05:19) - Wet dress rehearsal
(2:11:29) - Landing
(2:25:47) - Seeing starship in person
(2:34:54) - Starship orbital test
(2:41:32) - Gwynne Shotwell
(2:46:43) - dearMoon project
(3:05:46) - Fear of death
(3:14:12) - Everyday Astronaut origin story
(3:40:04) - Soviet Rocket Engine History
(3:58:51) - Russia, China, USA
(4:13:20) - Starlink
(4:21:06) - First human on Mars
(4:24:04) - Moon landing
(4:30:11) - Nuclear propulsion
(4:37:51) - Bob Lazar
(4:44:54) - Aliens
(4:48:42) - Sci-fi books
(4:52:00) - Long-term space travel
(4:58:47) - SpaceX competitors
(5:10:07) - Kerbal Space Program
(5:16:33) - Advice for young people

Tim Dodd is host of the Everyday Astronaut YouTube channel, where he teaches about rocket engines and all things space travel. Please support this podcast by checking out our sponsors: 
– BetterHelp: <a href="https://betterhelp.com/lex">https://betterhelp.com/lex</a> to get 10% off 
– MasterClass: <a href="https://masterclass.com/lex">https://masterclass.com/lex</a> to get 15% off 
– Shopify: <a href="https://shopify.com/lex">https://shopify.com/lex</a> to get free trial 
– ExpressVPN: <a href="https://expressvpn.com/lexpod">https://expressvpn.com/lexpod</a> to get 3 months free
EPISODE LINKS: 
Tim’s YouTube: <a href="https://youtube.com/@EverydayAstronaut">https://youtube.com/@EverydayAstronaut</a> 
Tim’s Twitter: <a href="https://twitter.com/Erdayastronaut">https://twitter.com/Erdayastronaut</a> 
Tim’s Instagram: <a href="https://instagram.com/everydayastronaut">https://instagram.com/everydayastronaut</a> 
Tim’s Website: <a href="https://everydayastronaut.com">https://everydayastronaut.com</a>
PODCAST INFO: 
Podcast website: <a href="https://lexfridman.com/podcast">https://lexfridman.com/podcast</a> 
Apple Podcasts: <a href="https://apple.co/2lwqZIr">https://apple.co/2lwqZIr</a> 
Spotify: <a href="https://spoti.fi/2nEwCF8">https://spoti.fi/2nEwCF8</a> 
RSS: <a href="https://lexfridman.com/feed/podcast/">https://lexfridman.com/feed/podcast/</a> 
YouTube Full Episodes: <a href="https://youtube.com/lexfridman">https://youtube.com/lexfridman</a> 
YouTube Clips: <a href="https://youtube.com/lexclips">https://youtube.com/lexclips</a>
SUPPORT & CONNECT: 
– Check out the sponsors above, it’s the best way to support this podcast 
– Support on Patreon: <a href="https://www.patreon.com/lexfridman">https://www.patreon.com/lexfridman</a> 
– Twitter: <a href="https://twitter.com/lexfridman">https://twitter.com/lexfridman</a> 
– Instagram: <a href="https://www.instagram.com/lexfridman">https://www.instagram.com/lexfridman</a> 
– LinkedIn: <a href="https://www.linkedin.com/in/lexfridman">https://www.linkedin.com/in/lexfridman</a> 
– Facebook: <a href="https://www.facebook.com/lexfridman">https://www.facebook.com/lexfridman</a> 
– Medium: <a href="https://medium.com/@lexfridman">https://medium.com/@lexfridman</a>
OUTLINE: 
Here’s the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. 
(00:00) – Introduction 
(06:18) – SpaceX rockets 
(26:56) – Falcon 9 
(31:08) – Starship 
(35:27) – SpaceX rocket engines 
(43:05) – Elon Musk 
(58:41) – Twitter 
(1:04:46) – How rocket engines work 
(1:09:37) – Rocket fuel 
(1:13:03) – Rocket engine cycles 
(1:25:27) – Rocket cooling 
(1:40:24) – Multistage rockets 
(1:43:57) – Single-stage-to-orbit 
(1:49:33) – Aerospike engine 
(1:57:18) – Greatest car engine of all time 
(2:02:27) – Starship 
(2:05:19) – Wet dress rehearsal 
(2:11:29) – Landing 
(2:25:47) – Seeing starship in person 
(2:34:54) – Starship orbital test 
(2:41:32) – Gwynne Shotwell 
(2:46:43) – dearMoon project 
(3:05:46) – Fear of death 
(3:14:12) – Everyday Astronaut origin story 
(3:40:04) – Soviet Rocket Engine History 
(3:58:51) – Russia, China, USA 
(4:13:20) – Starlink 
(4:21:06) – First human on Mars 
(4:24:04) – Moon landing 
(4:30:11) – Nuclear propulsion 
(4:37:51) – Bob Lazar 
(4:44:54) – Aliens 
(4:48:42) – Sci-fi books 
(4:52:00) – Long-term space travel 
(4:58:47) – SpaceX competitors 
(5:10:07) – Kerbal Space Program 
(5:16:33) – Advice for young people

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#356 – Tim Dodd: SpaceX, Starship, Rocket Engines, and Future of Space Travel

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