Here's a video of Elon explaining the Raptor engine design, and comparing Raptor 1 and Raptor 2 (Raptor 2 is much simpler): https://www.youtube.com/watch?v=E7MQ

Here's a video of Elon explaining the Raptor engine design, and comparing Raptor 1 and Raptor 2 (Raptor 2 is much simpler): https://www.youtube.com/watch?v=E7MQb9Y4FAE https://www.youtube.com/watch?v=E7MQb9Y4FAE