We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and tested in his shop. It is actually using a hollow cylinder of acrylic as the fuel, with gaseous oxygen as an oxidizer.

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 ...

General Atomics Electromagnetic Systems (GA-EMS) has successfully tested the nuclear fuel that may one day ... innovations peripheral to the rocket engine itself. There are alternatives to ...

Detailed work on the development of combustion chambers and components and on improving the performance of hybrid rocket engines is being carried out in the working group. This task requires an ...

A California-based company, SpinLaunch, is making waves with its innovative satellite launch system, drawing particular ...

a hybrid rocket engine design and manufacturing firm. Firehawk’s rocket engines are powered by their patented 3D printed rocket fuel. By 3D printing their fuel Firehawk can build rocket engines ...

It is a hybrid between a conventional jet engine, and a rocket system powered by liquid oxygen. The system will be reusable, much like an aeroplane, with no need to jettison expensive fuel tanks ...