there’s more than enough info on his site to try and recreate some of his experiments, but perhaps you should start here instead: How to Design, Build and Test Small Liquid-Fuel Rocket Engines.

The closed-cycle rocket engine design. Image via Wikipedia The ... thousands of hours at the drawing board, they would simply build rockets, fly them, and improve them based on the result.

as ‘rocket city’ for BE-4 engine Amazon CEO Jeff Bezos’ space venture, Blue Origin, plans to invest $200 million to build its BE-4 rocket engine in a new facility in Huntsville, Ala., ...

Developed by Rosatom’s Troitsk Institute, the new technology could drastically reduce current space travel durations, which ...