SpaceX CEO Elon Musk said on Wednesday that the Raptor engine of its Starship launch vehicle is not perfect and needs a few more changes. What Happened: “Still a few final touches to perfect Raptor,” ...

A qualification test of a Raptor 2 engine has resulted in a dramatic explosion at SpaceX’s McGregor facility. The company has yet to comment on the incident, but it’s unlikely to affect the upcoming ...

A SpaceX testing stand at the company's McGregor, Texas facilities went up in flames during a test of its Raptor 2 engines on the afternoon of May 23. According to NASASpaceflight, the engine had an ...

SpaceX Raptor 3 is an improved and more powerful rocket enigine. It has reached 350 bar of pressure and 269 tons of thrust. Raptor 2 engines were achieving 230 tf (510,000 lbf) of thrust consistently ...

Robert Zubrin talks about reducing the mass of SpaceX Starship by a factor of 5 for a Starboat mini-Starship. The linear dimensions would scale by the cube root of 1/5 ≈ 0.58. This gives a diameter of ...