Pushed to the Limit - SpaceX's Starship Raptor Engines

NASASpaceflight August 21, 2025
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NASASpaceflight

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NASASpaceflight (NSF) delivers live rocket launch coverage, breaking spaceflight news, and in-depth reporting from around the world. NASASpaceflight is not affiliated with or does not represent the National Aeronautics and Space Administration (NASA). NASA initials used with NASA’s permission. Now in its 20th year, NSF covers all major players in space: SpaceX, NASA, Blue Origin, ULA, Rocket Lab, Relativity, Arianespace, Firefly, Stoke, Northrop Grumman, and more. From Starship test campaigns at Starbase to crew missions, infrastructure rollouts, and international launches, NSF delivers multi-angle livestreams, on-site reporting, and expert analysis from locations like Kennedy Space Center, Cape Canaveral, Vandenberg, Wallops, and Starbase. With over 500,000 monthly readers, NSF is a trusted source for enthusiasts, space professionals, and engineers. Our articles & video have been referenced and linked by BBC, ABC, NBC, CBS, MSNBC, The New York Times, and Popular Science.

Video Description

Thanks to Novatech for sponsoring this video: https://novatechloadcells.co.uk/ SpaceX’s Raptor engine is at the heart of Starship — the most powerful rocket ever built. With 39 engines powering Starship and Super Heavy, SpaceX needs to produce an astonishing number of Raptors and make sure every single one can handle the extreme demands of flight. In this video, we’ll explore all aspects of Raptor testing: * The main parts of the engine and how they work together * How propellant flows through the full-flow staged combustion cycle * The three types of Raptor tests (spin prime, preburner, and static fire) * Where Raptors are tested (McGregor, Massey, and Starbase) * The support hardware that makes testing possible * What’s different between ground testing and real flights * How Raptor 3 and future designs may change testing From startup sequences to engine chill, deluge systems, and RVac nozzle bracing — we’ll cover the how and the why of every Raptor test. 🔥 Don’t forget to grab exclusive NSF Starship flight patches and merch from the NSF Store to support our coverage: https://shop.nasaspaceflight.com ⚡ Become a member of NASASpaceflight's channel for exclusive discord access, fast turnaround clips, and other exclusive benefits. Your support helps us continue our 24/7 coverage. Click JOIN above to get started.⚡ 🤵 Hosted by Jack Beyer (@thejackbeyer). 🖊️ Written by Alejandro Alcantarilla Romera (@alexphysics13) 🎥 Video from Jack Beyer, Max Evans, Ceaser G, John Galloway, D Wise, Starbase Live, SpaceX, Google Earth. ✂️ Edited by Ryan Caton (@DPodDolphinPro). 💼 Produced by Kevin Michael Reed (@kmreed). Rocket Ranch! https://www.rocketranchbocachica.com/ 🔍 If you are interested in using footage from this video, please review our content use policy: https://www.nasaspaceflight.com/content-use-policy/ L2 Boca Chica (more clips and photos) from BC's very early days to today. 🔗 https://forum.nasaspaceflight.com/index.php?topic=47107.0 (Join L2 and support NSF here: https://www.nasaspaceflight.com/l2/) #SpaceX #Starship #RaptorEngine LDAPAABJRG2UMCU3

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