SpaceX’s Raptor engine is at the heart of the company’s Starship rocket. 39 of them power the combined two stages for both launch and landing, and are key to its future success. Not only do they need to produce a lot of engines, but also test each one of them. In this video we’ll explore all the aspects of testing, from what kind of tests they perform, where it happens, how it works, and why they do it all in the first place. For the full video, hosted by Jack Beyer, and premiering on YouTube at