[Sam Rogers] and colleagues at [AX Technologies] have been testing and developing a small liquid ... This engine intended to be used as a torch igniter for a much larger rocket engine. Fuel ...

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 ...

At last week’s Washington meeting of the American Rocket Society ... To scale up the thrust of a liquid-fuel engine is an intricate and formidable job. Every increase in thrust requires a ...

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 ...