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 ...

He has no hope that liquid-fuel rocket engines (“a remarkable chemical ... along (just a matter of time), Ritchey is prepared to design even better space rockets. Contact us at [email protected] ...

Most liquid-fuel rocket engines require a secondary combustion ... can be increased by more than three times above present design levels. Contact us at [email protected] ...

A petroleum fuel and liquid oxygen engine may suggest that Russia ... said that if Russia helped design the new rocket or satellite, North Korea would also most likely need Russian components ...