is repackaged from the backend of Space Shuttle Orbiters into a more traditional inline rocket stage. SLS upsized the Shuttle elements — the big fuel tanks are now longer, and there are more ...

and even hybrid rocket engines are becoming passé. We’ve never seen a liquid-fuel rocket build before, so that’s what this roundup evolved into. First up is [Robert Watzlavick], who has been ...

It uses a rocket engine that runs on hydrazine fuel ... The Hummingbird bus was also the fuel tank, and it had additional slots for CubeSat components. These components could be used for further ...

Thus, to produce rocket fuel, the oxygen would have to be ... Next, the researchers estimated that a starship fuel tank would probably hold on the order of 500 metric tons of liquid oxygen.