It is lighter and has more thrust and higher efficiency than Raptor 2, Musk said. “Truly, a work of art,” Musk wrote about ...

Previously, SpaceX has talked saving about 500 kilograms from Raptor 1 to Raptor 3 and 100-200 kilograms from going from Raptor 2 to Raptor 3. But on the Flight 8 launch preparation, they talked about ...

Robert Zubrin talks about reducing the mass of SpaceX Starship by a factor of 5 for a Starboat mini-Starship. The linear ...

That’s exactly what happened last night, as Musk’s early morning tweets revealed that the ongoing engine tests of the company’s Raptor engines are coming along nicely. According to Musk’s ...