Most any rocket engine you’d find on a spacecraft – save for solid or hybrid ... of the intense heat, the fuel is circulated around the chamber before ignition giving a motor its ...

Despite much investigation as a rocket fuel ... “because the solid boron core is coated with an oxide shell that acts as a protective layer, preventing or delaying ignition and combustion.” ...

This story has been changed to clarify that it is the world's largest single-segment solid rocket. China says it fired up the world’s largest single-segment solid-fuel rocket engine for the ...

The trick with a solid-fuel rocket motor is it can’t be throttled ... However, [Joe] found that the time between sending the ignition signal and when peak thrust is reached was inconsistent ...

TOKYO (AFP): Japan's space agency has said its plan to launch a solid-fuel rocket by the end of March ... exploded around 50 seconds after a test ignition. It was one in a string of setbacks ...