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

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 (1:57:1